Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The best Tiki bar in Las Vegas.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A reproduction of earth's many biomes.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Rustic natural hot springs in the deciduous rain forest.

A clear blue swimming hole with hidden caves, still unexplored.

A hotel and restaurant serving as the mecca of kitsch.

This quirky curiosity shop takes its cues from the world's bazaars.

A museum dedicated to the alleged Roswell Incident.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A house filled to the brim with oddities and curiosities.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

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

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Tour the sci-fi-esque reality of governmental disease management.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

Towering basalt columns, a creation of fire and ice.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.