This ancient structure was built by a mysterious civilization that was largely destroyed by a volcanic eruption.

An Aztec snake god has taken the material form of an apartment complex.

The enigmatic and seldom visited ruins of a Mayan city-state.

The Acropolis of this little-visited Mayan archaeological site offers great views of Chiapas’s Lake District.

It's not quite as old as its Roman appearance suggests, but this piece of infrastructure served Guatemala City for centuries.

A ruined Maya city that suffered a years-long case of mistaken identity.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

A one-of-a-kind collection of a unique medium.

This childhood throwback has hundreds of arcade games and pinball machines to transport you back in time.

The final resting place of a space program monolith.

One doctor's retirement plan included opening this award-winning Mexican-Indian eatery on the ground floor of a hospital.

World's largest collection of serial killer artwork and other macabre exhibits.

The blinking light atop the iconic landmark has been sending secret messages for decades.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

A beloved carnival gets a modern makeover in Los Angeles.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Inside this library, the history of Los Angeles is retold through a mural.

Historic funicular railway, believed to be the shortest railroad in the world.

A faux European lane smack dab in downtown L.A.

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

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

A relief that wraps around the concourse of Los Angeles's World Trade Center marks one of the city's failed urban design plans.