This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

A hollow cement depiction of time's inexorable effect on the human body.

Museum dedicated to the art of cutting and polishing stones.

A bypass decorated with large wooden troll carvings.

A bizarre house filled with an astounding array of collections.

A monument to the art of slicing people open.

An amazing collection of sculptures and art.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

Live long and prosper in Tennessee.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A white oak with property rights.

This bridge was constructed from the rubble of the infamous Bastille.

France's most famous cemetery, with some of its most curious tombs.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.