A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

Obelisks and stone pineapples in the Irish countryside.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

Bits and pieces from the ill-fated Donner Party's winter cabins.

Ruins of a 10th century church tucked away deep in a botanical garden.

Roadside attraction with more than 1,000 stuffed and mounted animal skins displayed in simulated natural habitats with hand-painted backdrops.

The water in this preserved area spawns vegetation that gives it a deep green color.

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

Collection of vintage trailers double as hotel rooms.

A collection of 100 brains preserved in jars on the UT campus.