An obscure waterfall that looks like something out of a fantasy novel.

Home to Hollywood history and a very special salt crystal.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

This abandoned horse racing track was an exercise in hubris from its inception.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

Some islands... they come, they go, especially on Lake Travis.

Remembering the Alamo with a full-scale replica of the 1836 city.

An emerald-green grotto just a short trip from Austin.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

A modernist landscape of water and sci-fi concrete.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

A regular looking rock with an unbelievable history.

A walk through the historic city center, under the streets of Seattle.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

"Only the devil could play golf here."

Spiral labyrinth hidden in the hills above Oakland, CA.