A facility built in 1992 for an underground nuclear test remains in place today.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Eulogizing an unknown man's unusual demise.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

The first declared National Monument in the United States.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

This quaint museum lets you take a ride on its antique carousels.

This rustic old building is said to be the most photographed barn in America.

An impressive waterfall nestled in the cliffs of Idaho's Snake River Canyon.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

The world's largest fire hydrant is supposedly tornado-proof.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

A quirky collection of outsider art made from automobile parts.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

In which a local geological marvel becomes a quaint roadside attraction.

A toxic ghost town sitting atop a massive coal fire.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A unique work of art that was created without permission.

More than 350 million years ago, western New York was covered in a vast sea. Today, you can dig up the remains of the plants and animals that lived there.

Three gardens with toilets and urinals filled with bright flowers started as a protest against zoning rules.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.