An unassuming secret door once led to a legendary watering hole.

New York City's smallest piece of private property.

This old abandoned sign flickers to announce a motel that isn't even there.

Why have you never heard of the second most popular tourist site in New York?

The largest known open fault in the United States is basically a giant natural refrigerator.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

The first piece of public art dedicated to LGBT rights.

Serving Central Asian breads that range from cracker-crisp to warm and fluffy, this bakery brings Bukhara to Queens.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

This cheery fruit farmer welcomes visitors to a classic roadside emporium.

This is one really big nut.

The house's confection-like decorations are the result of one man's painstaking work over decades.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Because there's no place like home.

A library of rare occult books in Los Angeles.

Resting place of Hollywood's immortals is also site of summer film screenings.

A unique collection of more than 250 rocks and minerals located on a university campus.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.