Two craters, which probably erupted within the last 1,500 years and are now filled by alkaline lakes, represent Nevada's youngest known volcanic activity.

An unusual double cinder cone with a bent oval crater, in the Lunar Crater Volcanic Field.

Rusty industrial city full of oxidized distillation towers.

The creator of the carousel's bingo-pinball hybrid survives in California's oldest gaming establishment.

A tribute to the disposable cups that were once manufactured here, this 68-foot-tall statue would be difficult to throw away.

It took years to decode its mysterious messages.

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

An art collective teaching the more fiery, metal-y art forms.

This restaurant's marvelous musical machines include a self-playing violin.

For over 20 years, Lil Toot has delighted guests with narrated boat rides between Stearns Wharf and Santa Barbara Harbor, becoming a beloved local legend and top-rated experience for visitors.

Eat a tasty meal in the house where John Steinbeck was born.

A Los Angeles cemetery that was once at the center of a Supreme Court dispute.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

A huge maze complex and whimsical miniature village in Tasmania.

The once-dying town of Sheffield, Tasmania has reinvented itself as a village of painted wonders.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

This Australian beach is composed of tiny shells.