A picture-perfect town, perfect for blowing up.

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

The longest burning light bulb in the world.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A popular tourist cave with a dark past.

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

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Mysterious meeting place for UFO hunters near Area 51.

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

Huge hole looks down onto an underground beach populated with sea lions.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Ancient human, animal, and geometric figures drawn in the earth.

"Only the devil could play golf here."

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

One of the most unusual geological features, recognizable from a dozen hit movies.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

The ghost town that ended up on Ebay.

Acres of natural wonders left behind by a socialite-turned-gardener.

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

Semi-recognized center of the world, with many oddities.