A historic fort commemorating the United States' naval history.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

Three vintage horses survived a 1976 inferno and found a home on a sister carousel.

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

Secret US military film studio in the Hollywood Hills.

This hands-on math museum believes in turning concepts into constructs.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

A library of rare occult books in Los Angeles.

Venue for strange sideshow displays and musical acts.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

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

World War II-era Nazi compound nestled in the Santa Monica hills.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Medical and zoological curiosities for sale.

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

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Rare collectibles from automated musical instruments to 250 unique automobiles.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.

One of the world's largest collections of rare and magnificent bird specimens.

One of the world's longest murals depicts the history of diversity in Los Angeles.