The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

A second generation sun-powered marvel lights up the night.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

A UFO scrapyard in the California desert.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

North America's largest accredited model railroad museum.

This impressive tunnel was dug entirely by hand over the course of 36 years.

This glamorous old building is said to have inspired the Tower of Terror.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

The legendary building that needed ghostly approval before being built.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This popular pilgrimage site offers a hole filled with holy healing dirt.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A multi-storied adobe complex has been inhabited for more than a thousand years.