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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

A huge musical instrument played by the ocean.

The California capital city once stood 10 feet lower than it does today.

This 19th century train workshop is a treasure trove of railroad history.

A replica of the first public theater built in California.

Art Deco stylings conceal the true nature of this bridge.

I Street Bridge is the heaviest swinging center bridge in the United States.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

Open day and night, a church with three pews and Bibles.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

The king of U.S. high points towers over every other peak on the continent.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

The now-serene site of the largest earthquake ever recorded in North America.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Considered by many to be one of the most dangerous highways in Alaska.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

This museum houses two of Mexico's most impressive Aztec monoliths.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

This Aztec structure remained hidden until the demolition of a supermarket exposed the lost temple.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.