Explore the wide world of desert plants at this unique Palm Springs botanical garden.

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

A world-class observatory in the California desert.

Sojourn to the past at this residence teeming with 1950s memorabilia.

A Biblically-based Natural History Museum.

The Giant Lemon of Lemon Grove.

Admire a Lilliputian replica of the fast food outlet.

Get fishing gear and craft beer at this restaurant on the pier.

This stately structure has been abandoned for half a century.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

This large collection of tiny things revels in the art of fine machinery well made.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

The overgrown ruins of a once thriving World War I-era copper mine.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

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.

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

A century-old miner's quarters turned mansion.

This golf ball–shaped former desert real estate office now houses a UFO museum.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

Don't blink or you'll miss it.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.