Micro-nation based around a nine-story high illegally built tower.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

A bizarre house filled with an astounding array of collections.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

A small town Romanian cemetery filled with darkly humorous gravestones.

A natural gas leak provides a flickering flame beneath a waterfall.

New York City's only preserved family home from the 19th century.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

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

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

Ruins of a 10th century church tucked away deep in a botanical garden.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Three buildings constructed of over 25,000 multicolored glass bottles.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Museum dedicated to awful artwork.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

A genuine Little Shop of Horrors.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The decaying ruins of Wales' first asylum for the mentally ill.

A Balinese resort, empty and trapped in time.