A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A monument to the center of the North American continent may be off by a few miles.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

Furniture tries to escape an abandoned building in San Francisco.

An essential stop before plundering, BYO Cutlass.

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

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

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

A one-of-a-kind collection of a unique medium.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A castle that was built stone by stone by an eccentric journalist.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

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

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

The location of the last stand of Charles Manson's doomsday cult.

A new kind of theme park for adults off the Las Vegas Strip.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

"Only the devil could play golf here."

The rocks in this arid basin leave trails of movement behind them.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.