Macabre astrological automaton clock dating to the late 1400s.

The private clubhouse for the members of the Academy of Magical Arts.

Medical and zoological curiosities for sale.

Resting place of Hollywood's immortals is also site of summer film screenings.

Golden Gate Park's historic collection of plants.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Continuing the tradition of the dime museum in style.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A modernist landscape of water and sci-fi concrete.

66,000 pieces of art, donated by one of the world's richest men.

A large instrument played by the wind.

Mexico's astounding mummy museum with "the world's smallest mummy."

Catacombs turned marketplace.

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

Famously misunderstood wonder of the ancient world

A Prada store in the West Texas desert that is never open for business.

Mysterious glowing orbs float through the desert night.

Decommissioned experimental solar facilities that pioneered solar energy technology.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Oldest building in California still in use.

It specializes in outsider art and artifacts of secret societies.

The legendary building that needed ghostly approval before being built.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

The final resting place of New Orleans' most famous voodoo priestess.