A Jenga-style cylindrical tower of books that appears to go on forever.

Macabre astrological automaton clock dating to the late 1400s.

Countless grotesque faces stare out from this eerie Prague art wall.

Because there's no place like home.

This Southern Californian Conservation Center is home to singing and howling apes.

This little museum has an exhibit devoted to the elusive forest denizens.

A working miniature city designed to teach kids about safety and presumably city planning.

At this California chicken ranch, four bucks will get you 18 eggs and a chorus of dancing animatronic poultry.

Subterranean house made out of a grain silo, located in the Santa Cruz Mountains.

An alley covered with 20 years of bubble gum.

Some of the most unusual (and in some cases, disgusting) flavors of soda imaginable.

The longest burning light bulb in the world.

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

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

A tree grown from astronaut seeds which were exposed to cosmic rays.

Get up close to emus and ostriches, or buy their tasty meat.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

A Biblically-based Natural History Museum.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

One of the best absinthe distilleries in the United States.

California's own majestic geyser is powered by a subterranean volcano.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.