Houses are tucked between, on, and underneath giant boulders.

A tribute to those that perished during the American Revolution.

Running since 1864, this clock has yet to be wound, one of the longest-running science experiments known.

Indents in the pavement are all that remain from a grisly death machine in Paris.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

After this former brothel closed, its interior remained almost frozen in time.

This brilliant display of whirling fireballs celebrates Hogmanay.

This 20-foot mountain is made up of some 15,000 mannequins—if you visit, you can even take a piece home with you.

A fire lookout atop a glacial pinnacle is reached by climbing three vertiginous flights of stairs.

For nearly 50 years this airplane that crashed during World War II remained missing in the remote Australian backcountry.

Every last book in this bookstore is signed by the author.

This 880-acre facility is home to a massive collection of vintage motorcycles and cars, as well as a 2.38-mile race course.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

The overgrown remains of one of the premier auto-racing speedways in the Midwest—and also one of the most deadly.

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

In the city forest of Augsburg are oval, artificial ponds formed from a World War II bombing campaign.

This is what trains will look like after the zombie apocalypse.

The tallest bridge in California was constructed for a project that was eventually cancelled.

The only Native American comic shop in the world.

A rapidly disappearing authentic bit of the old south.

The final resting place for the famed creator and narrator of "The Twilight Zone."

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.