The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Spiral labyrinth hidden in the hills above Oakland, CA.

Series of storm drains connected to a dark urban legend.

Commonly referred to as the most photographed Victorian home in the United States.

Home to drunken tower-climbing goats... seriously.

Mexican food and folk art.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

What is the Thing?

The site of one of history's most indelible and horrific tragedies.

Make your reservation to have coffee with some kitties.

Exact replica of the ancient monument, but much, much lighter.

A Seattle oddities shop brimming with Victorian-era gems and antique curio.

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

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

A house built from trash known as the poor man's Hearst Castle.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Home to Hollywood history and a very special salt crystal.

Arrr! The most authentic collection of pirate artifacts in the world... matey.