This gnarled old tree supposedly sprouted from seeds kept in the pocket of a 16th-century Spanish sailor.

Local legend says the remains of Father Christmas lie within the medieval grounds.

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

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

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

This giant steer-skull edifice refuses to die.

The world's largest military aircraft cemetery.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This sanguine boulevard was named after a deadly cowboy bar fight.

A Saint Nicholas-themed ghost town in the Mojave desert.

A mysterious spirit totem at the edge of Navajo lands.

Don't blink or you'll miss it.

A hidden gem of a saloon in the middle of a ghost town.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

San Diego's most historic and haunted home.

An inconspicuous footbridge beloved by San Diego locals.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

North America's largest accredited model railroad museum.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The biggest solar telescope in the world helps reveal the secrets of our sun.

Miniature art that tells an enormous story.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The Magical World of George Phar Legler.

Outsider Art Community.