Inside this small brick bungalow is a collection of toys intended for the afterlife.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The largest self-built castle in the U.S., six decades in the making.

The highest bridge in America was built for an almost unnervingly small amount of money.

This massive marble memorial was built bit by bit either out of devotion or spite, but at the expense of the surrounding town.

One person’s lost luggage is another person’s treasure.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

A building so large that it has its own weather.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This magnificent Cincinnati graveyard is also a popular public park.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This shop is named for a runaway elephant who smashed through its doors, stole some peanuts, and spent five days on the lam.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This super steep hike ascends 2,000 feet in less than a mile.