According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

The ghost town that ended up on Ebay.

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

One of the ghostly stops along Route 66.

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

A regular looking rock with an unbelievable history.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The restored and active Victorian-era final resting place of San Francisco.

A huge musical instrument played by the ocean.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

A unique set of caves that spits waves back out into the ocean.

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

This unusual lava tube spouts seawater during high surf.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

The famous aviator's final resting place is a study in natural beauty.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

This WWII plane died a quiet death, and is now a garden eel playground.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.