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

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

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

Get up close to emus and ostriches, or buy their tasty meat.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A Mysterious Masonic tomb in San Luis Obispo.

With its peeling paint and faded sign, this theater-turned-recycling plant is a nostalgic relic of 1950s Americana.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

The largest drain hole in the world.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

Hundreds of antique bank vault locks on display in New York City.

An alternate history park where the Union Army loses the war... to dinosaurs.

Largest gathering of hobos in the country has been meeting annually since 1900.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

An old town theater converted into a celebration of the hobo legacy.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

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

Nondescript elevator doors open to reveal a stunning, surreal world.

Whether you're up or down, the Elevator Museum is worth a stop.

The preserved house of a jazz legend still echoes with his music.

Holding the most bodies of any cemetery in the United States.

A modern zoetrope on the New York City subway.