The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

A former electrical substation is now home to an eccentric junk art masterpiece.

A fake town founded by Western movie stars is now becoming a hip desert community.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

A little piece of Paris in the sultry south of the U.S.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

A working miniature city designed to teach kids about safety and presumably city planning.

This grimly-titled Texas cemetery is all that remains of a Wild West settlement with possibly the worst name.

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

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

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

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

This tiny abode has been covered in the art of the little old lady who made her life and living there.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A replica that won't float away.

The birthplace of a titan of American cinema.

An 1814 castle that hosts an exhibit of "explorabilia".

The first U.S. town to secede from the Union, only to vote themselves right back in.

One of only two remaining Victorian-era greenhouses in New York.

This sprawling collection hides many charms.