A short hike into the mountainside forest reveals a decaying 1890s town.

The site of murders and Satanic cult gatherings.

An inconspicuous footbridge beloved by San Diego locals.

These aggressively sustainable art homes look like something out of 1970's science fiction.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Treehouse motel and treehouse-building school.

Legends surround this jagged rock formation in the New Mexico desert.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The only rotating bar in New Orleans has been slowly spinning since 1949.

When ecosystems collide in the arid Southwest.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

The highest bridge in America was built for an almost unnervingly small amount of money.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This grand mansion has starred in everything from Bones to Buffy.

A whimsical village of unique treehouses resides in a Washington forest.

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

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.