This abandoned amusement park was built on a site with a dark history.

The United States Capitol's former columns still stand.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This lab's maddening silence is good for business but bad for sanity.

A giant Troll lurks under one of Seattle's oldest bridges.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Home of an evil witch famous within southern folklore.

The final resting place of New Orleans' most famous voodoo priestess.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

America's most famous piece of self-built architecture.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

The first declared National Monument in the United States.

A layered tribute to the work of mosaicist Isaiah Zagar.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

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

Odd outsider art installations surround a Gold Rush-era ghost town.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

Enormous lake at the bottom of a unique cave system.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A strange house built only at night, with rumored mystic inspiration.