A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

Rare recess caves fill this unbelievably beautiful Ohio park.

No one really knows how these old hobby horses got here, but the herd keeps growing.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

The famous author's cottage hideaway.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

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

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Try a classic Necco candy bar being resurrected in a small suburban shop.

This giant wooden treehouse within a sprawling garden has its own eatery.

Peanut butter trees and miracle berries are just the beginning.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

The beloved home to all publications indie, erotic, and punky.

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

This hidden fortress has been coined the "City of Ghosts."