A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Macabre astrological automaton clock dating to the late 1400s.

Elevated freight railway turned wildly successful urban park.

Architectural monsters are devouring this palace's every door and window.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

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

This stunning concert hall has become a symbol of Iceland's national recovery.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A hotel and restaurant serving as the mecca of kitsch.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The site of the climactic scene from the classic horror film is now a historic landmark.

Inside a former cabaret, seven floors of erotic art.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A bit of retro transportation flair preserved in the world's largest department store.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

Oakland's beautiful monumental cemetery.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

The unbelievably opulent home built for an infamous newspaperman.

The Flatiron Building's storied West Coast cousin is a lot more into religion.