An urban laboratory.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

America's only nuclear missile silo open to the public.

A self-built castle made by a mysterious man.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A reproduction of earth's many biomes.

The Magical World of George Phar Legler.

The fading, forgotten remains of a once bright and booming factory.

Considered one of the most haunted places in Europe, this 800-year-old castle was home to noble prisoners.

The best bagels in Berlin are tucked away in an independent bookstore.

A dilapidated space station with overtones of 'Alien' and 'Bladerunner' featuring a multiplayer games galore.

The largest collection of Frazetta originals in the world.

An ideal wedding spot that is almost too ideal.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

One of the world's steepest streets seems to have houses sliding down it.

Unlock the secrets of the conjuring arts.

New York's oldest magic store.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

The notorious headquarters of a corrupt political machine.

A living archive of urban activism and space reclaimed.