The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A geological mystery on Camelback Mountain.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Tiki luxury on Nob Hill.

Only hotel where you can legally launder money.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A museum dedicated to a sea that should have never been.

The ghostly remains of an accidental sea.

This historic tower in the California desert promises visitors a "vortex of good vibes".

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

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

World-famous, Pink's still manages to keep its prized cult fetish status.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

The final resting place of a space program monolith, soon to be unveiled again to the public.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Oldest building in California still in use.

A world-class observatory in the California desert.