Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

An urban forest overtakes what was the greatest failure of utopic urban housing.

This is not your typical jungle gym.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

This historic hotel invented the chocolate brownie.

A century-old network of freight tunnels underneath the city's historic business district.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

All of Chicago's wood-paved streets are long gone but two alleys remain.

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

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

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

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

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

The forbidden island of the Tuscan Archipelago may still contain buried treasure.

A preserved dragon's rib that remembers the legend of the founding of the city of Atessa.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Renaissance villa and gardens complete with a tormented colossus.