Hundreds of trees made from glass bottles make up this forest on Route 66.

A regular looking rock with an unbelievable history.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

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

The liveliest ghost town in the state.

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

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

Mysterious meeting place for UFO hunters near Area 51.

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

A land of debatable treasure.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Where NASA's satellites and rovers phone home.

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

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

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

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

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

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

A former utopian healing center created by a huckster and built by derelicts.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

The most isolated mailbox in America lets desert travelers record their passing.

Water of undetermined depth has attracted rare fish and cult leaders alike.