1

House Size

Image: Esther Zheng

One of the very first things any prospective homeowner should ask themselves is what kind of house they want . Having a general idea of the size, as well as the amount and type of spaces needed, is considered basic information before starting to look for a property.

2

Roof Condition

Image: Andreas Weiland

For practical reasons, most people looking to buy a house don’t inspect the roof of a prospective home. However, that section of the house can present serious and costly problems if it has any kind of damage.

Asking about the condition of the roof is paramount. How old is it? What is it made of? Buyers can find this information on the seller’s disclosure or ask the real estate agent to find out. Asphalt shingle roofs last around 20 years, but other materials, like clay or metal, can last much longer.

3

Neighborhood Safety

Image: Alev Takil

It goes without saying: safety is a big thing. When searching for a home, make sure the neighborhood where a potential house is located is safe. It’s also highly advisable to check out the neighborhood from an insider’s perspective via social media, such as Facebook groups, where you can learn more about the area and ask locals questions.

If you’re truly interested in a particular home, spend some time in the neighborhood. Go for a walk and check out local businesses to get a feel for what it’s like to live in the area.

4

HVAC system

Image: Taylor Vick

The HVAC system heats and cools a house year-round. Anyone looking at houses should ask about the type of heating and cooling system each one has and, most importantly, how old it is. Asking for maintenance records is also a good idea.

Furnaces and AC units typically last anywhere from 10 to 25 years. If a unit is broken, repair costs vary based on the type of system and how big it is. Homeowners can spend an average of $7,000 to replace an existing HVAC unit—but don’t count on a home warranty to automatically cover that.

5

Property Taxes

Image: Recha Oktaviani

A commonly overlooked item for first-time homeowners when searching for a house is property taxes. When considering a potential home, always compare property tax amounts over several years to help you calculate the overall affordability of the property .

To find out a home's estimated property taxes, check with the county's appraisal board. Homeowners Association dues should be listed in the home's listing, or you can request them from the listing agent.

6

Plumbing

Image: PAN XIAOZHEN

The plumbing system in a house can be a mystery for a prospective buyer if they don't know how to inspect it properly. Pipe disintegration, obstructive tree root growth, and complicated clogs can all cause havoc on the system. Keep in mind that sewer line replacement can cost anywhere from $1,300 to $4,900.

Always check toilets for leaks, unstable bases, and discoloration . Look under the bathroom and kitchen sinks for signs of leaks. Turn on the hot water in the sink or tub to see if it gets hot. If it doesn’t, that could indicate a problem with the water heater.

7

Water damage and mold

Image: Hydra 4x

Water damage can cause numerous problems in a house, including structural issues, mold, and rot, especially in basements. Anyone inspecting a house should pay close attention to musty smells as well as water stains on floors, walls, or ceilings .

The cost of mold removal can be anywhere from a few hundred to a few thousand dollars, depending on the size of the affected area. And, because mold is a health hazard, it should be treated before moving in.

8

Proper ventilation

Image: Jelleke Vanooteghem

This one might be subtle, but it’s very important, especially when considering the mold issues mentioned earlier. Without adequate interior ventilation, moisture can't evaporate , which can turn a room into a breeding ground for mold.

Look for condensation on windows or slightly bubbled or peeling paint around windows, doors, or vents. These signs may indicate moisture within the walls or ceiling drywall.

9

Noise Level

Image: Rei Kim

Nobody wants to live in a noisy home. But, at the same time, this issue is often overlooked when searching for houses. Many showings are cunningly scheduled during quiet hours to disguise the noise issues.

If you are truly interested in a property, visit during high-traffic hours to assess this concern . Even if the house is perfect in every other way, the constant hum of passing cars, public transport, or other sources of noise can become a serious problem.

10

Foundation and home exteriors

Image: Aiden Craver

Foundations matter. Bulging or bowing foundation walls are signs of structural weakness that can be expensive to repair. Always check for cracks in the foundation, drywall, or ceiling ; gaps above doors and windows ; sunken stairs or porches; and sloping or uneven floors or tiling.

Of course, not every crack means the home is about to collapse. Every home experiences some degree of settling, so some cracks are to be expected.

11

Electricity issues

Image: Mila Albrecht

The electrical system in a house can be compared to the nervous system of a human being: every part must work properly, and issues can sometimes be difficult to spot. From the power outlet next to the bed to other electrical systems in the house, like the garage door opener, everything is important and contributes to your safety and comfort. Bring a phone charger and plug it into random sockets to check if they work properly .

12

Room for improvement

Image: Daniel McCullough

Buying a house is a big investment and you can be living in it for a very long time. Therefore, it is always important to take into consideration any future plans and whether these plans make sense in that particular house.

Is there a wall you could knock out to create more space if needed? A garage or attic you could potentially finish if you need an extra room? Having an easy-to-modify layout can provide more possibilities for the future.

1

LeConte Lodge, Great Smoky Mountains National Park, Tennessee

Image: Mitchell Bowser

It’s hard to imagine this massive lodge once being a tent camp, but in 1925, that was its humble beginning. Over the years, it has transformed into the comfortable hotel with grand halls we see today. Built atop Mount LeConte in 1926, this lodge provides breathtaking views of the surrounding areas and all the amenities of a modern establishment.

2

The Ahwahnee, Yosemite National Park, California

Image: Hanbyul Jeong

Built in 1925, The Ahwahnee is a 121-room hotel nestled in a picturesque meadow at the base of the Royal Arches in Yosemite Valley. Its dining hall, featuring 34-foot-high ceilings and floor-to-ceiling windows, along with its elegant suites and magnificent lounges complete with vintage fireplaces , offers the perfect retreat after a day of hiking in the park.

3

Many Glacier Hotel, Glacier National Park, Montana

Image: Michael Kirsh

The largest inn in Glacier National Park, Many Glacier Hotel is a 215-room Swiss-style chalet boasting breathtaking lounges with stunning views , exposed log beams , and a majestic three-story lobby . Its generous dining room offers a panoramic backdrop of the northern Rockies for its guests to enjoy while sipping a local brew or a delicious meal.

4

El Tovar Hotel, Grand Canyon National Park, Arizona

Image: James Lee

Perched on a high ledge along the South Rim of the Grand Canyon, overlooking the Colorado River, El Tovar was designed to resemble a Scandinavian-style villa. With 78 rooms, a grand lounge wrapped in hewn Oregon pine , cobblestone fireplaces , and a dining room adorned with dark wood paneling , vintage light fixtures , and murals , El Tovar offers the perfect retreat after a full day of hiking and taking in the breathtaking views.

5

Lake Crescent Lodge, Olympic National Park, Washington

Image: Georg Eiermann

The Lake Crescent Lodge was built in 1915 and features 55 rooms and it is ideally situated between firs and hemlocks, in the mountainous Hurricane Ridge area. Guests are greeted by a Victorian-era sunroom , an antique-furnished lobby , and a welcoming stone fireplace —an ideal retreat for those eager to soak in the views or explore the numerous hiking trails.

6

Big Meadows Lodge, Shenandoah National Park, Virginia

Image: Becky Winner

Big Meadows Lodge, a charming 1930s hotel , boasts beautiful craftsmanship and is set near a grassy meadow where deer often graze. The lodge features 29 rooms in its main building , along with 72 additional accommodations spread across its outer cabins and lodges .

7

Old Faithful Inn, Yellowstone National Park, Wyoming

Image: Judy Beth Morris

The 1904 Old Faithful Inn is celebrated as the largest log structure in the world , stretching 700 feet in length and rising seven stories high. This iconic hotel was strategically positioned to offer stunning views of the renowned Old Faithful geyser.

It has an awe-inspiring 92-foot-high lobby , and its Obsidian Dining Room has a mouth-watering menu complete with locally sourced bison burgers and smoked-trout ravioli.

8

Zion Lodge, Zion National Park, Utah

Image: James Lee

The 100-year-old Zion Lodge was thoughtfully designed to harmonize with its natural surroundings, constructed from untreated logs and locally sourced sandstone . With 76 rooms and 40 cozy cabins , the lodge serves as the perfect base for exploring the park’s diverse hiking trails, offering adventures for visitors of all skill levels.

9

Paradise Inn, Mount Rainier National Park, Washington

Image: Rich Martello

Located 19 miles from the southwestern Nisqually Entrance at Mount Rainier National Park, Paradise Inn was built between 1916 and 1917 and once featured one of the region’s first ski lifts . The inn’s 121 rooms still showcase some of their original rustic charm , with showers and restrooms located down the hall.

10

Wuksachi Lodge, Sequoia and Kings Canyon National Parks, California

Image: Josh Carter

The Wukachi Lodge, built in 1999, is the first hotel in the area not constructed over 80 years ago. It boasts 102 rooms and modern amenities , including private baths , mini-fridges, spacious accommodations , central heating , and more.

11

Chisos Mountains Lodge, Big Bend National Park, Texas

Image: Intricate Explorer

The 72-room Chisos Mountains Lodge is nestled at the base of Casa Grande Peak, in the heart of the hiking area. Guests can step right out of their rooms and onto the famous Window Trail , summit Emory Peak , or spend a full day on the South Rim Trail .

1

The spacesuit satellite

Image: Sieuwert Otterloo

Shoving an astronaut suit out of an airlock and into space might seem like a scene from a movie, but it really happened. In 2003, an empty spacesuit was thrown into space , nicknamed Ivan Ivanovitch (or Mr. Smith), stuffed with old clothes and a radio transmitter .

The idea was that old spacesuits could be used as satellites. SuitSat-1, as it was named, went on to spend several months in silent orbit before entering Earth's atmosphere and burning up on September 7, 2006.

2

The "invisible" gorilla

Image: Mike Arney

In this strange psychological experiment, researchers asked participants to watch a video of people passing a basketball and count how many passes were made. The catch was that, during the video, a person in a gorilla suit walked into the frame, stopped to pound its chest, and then walked out.

The study revealed a curious phenomenon known as "inattentional blindness": people were so focused on counting the passes that they failed to notice the gorilla .

3

Space spiders

Image: Vidar Nordli-Mathisen

In 2011, scientists sent two golden silk orb-weaver spiders on a 45-day trip aboard the ISS. They were kept in an adequate habitat, and both spiders adapted beautifully, continuing to spin their webs and hunt for food.

But not everything was normal. In microgravity, the spiders spun their webs differently —flatter and rounder—compared to the more three-dimensional, asymmetrical structures that orb-weavers spin on Earth.

4

Bitter fingernails

Image: Nick Karvounis

In 1942, a professor conducted an experiment with boys who had been diagnosed as chronic nail-biters. He used a phonograph with the recorded message " My fingernails taste bitter ," playing it over and over at night in the room where the boys slept.

At the end of the summer, the professor examined the boys' nails and concluded that 40% of them had kicked the habit.

5

Syrup swimming

Image: Arwin Neil Baichoo

In 2004, sixteen people with varying swimming skills swam in both a regular pool and a pool of guar syrup , which is twice as thick as water, for an experiment conducted by the University of Minnesota. The differences in their recorded times were negligible.

6

Bearcats and popcorn

Image: Corina Rainer

People encountering bearcats have noted that these animals smell like movie theater popcorn. A non-profit organization tested the bearcat's urine , and the results showed the presence of a chemical compound called 2-acetyl-1-pyrroline.

As it turns out, this is the same compound that gives popcorn its signature smell .

7

The 28-hour day

Image: Ocean Ng

Hoping to find out whether the 24-hour sleep-wake human rhythm was merely a habit, two scientists spent 32 days in a cave to avoid any external reference to day and night.

They tried out a 28-hour day, sleeping for 9 hours, working for 10 hours, and having 9 hours of leisure time . The younger scientist adapted within the first week, while the older one failed to adapt.

8

The fake doctor

Image: Hunters Race

A fake doctor delivered a lecture in 1970 to a crowd of assembled experts titled "Mathematical Game Theory as Applied to Physician Education." His performance impressed the audience so much that nobody noticed he was an actor who didn’t know anything about game theory.

The researchers behind the experiment wanted to find out if a great delivery technique could fool a group of experts—and it did.

9

The electric kite

Image: Brett Wharton

The most famous experiment on our list is also one of the strangest. In 1752, Benjamin Franklin flew a kite in a thunderstorm to demonstrate the electrical nature of lightning .

While many believe otherwise, no lightning hit the kite. Instead, ambient electrical charge moved through the hemp wire, and when Franklin touched the key attached to the wire, he felt a spark, thus proving the existence of such electricity.

10

Moon trees

Image: David Dibert

As we've learned, Americans like taking things to outer space and then bringing them right back. The Apollo 14 mission carried hundreds of tree seeds into space . These "moon trees" were then planted across the country by the US Forest Service.

Unsurprisingly, the trees grew just like any other tree of the same species.