High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

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

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Dramatic river bend surrounds a natural red-rocked pedestal.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Most-visited and most-photographed slot canyon in the American Southwest.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

World's first "penitentiary," meant to be humane, drove men insane.