The vast, legendary catacombs hold secrets much stranger than stacked bones.

The television series' iconic giant foot was borrowed from this classical painting.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

The unbelievably opulent home built for an infamous newspaperman.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

It's good luck to be mocked by this monkey.

Curious cave that stays a cool 56 degrees all year long.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This massive blockhead sculpture hides an entire library.

Portlandia is the second-largest copper repoussé statue in the United States.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

An essential stop before plundering, BYO Cutlass.

Art in the form of a winding, man made crack in stone.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

One of the best absinthe distilleries in the United States.

A 90-acre park on former landfill that hosts an annual kite festival.

The only museum of sake in the United States is nestled in an unlikely California college town.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A store that sells all manner of bones, insects, and animal curiosities.

It houses the remains of a 17th-century version of the Titanic.