This former mining town was named the most toxic town in America.

Deep scars on the earth left by the Ice Age.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

Detroit housing collective working to create an "environment for revolutionary change."

The world's oldest operating jazz club has been in operation since May 1934.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

The world's longest known cave system.

Where beautiful signs live on forever.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

One man's vision and a labor of love of many.

The only freestanding table rock formation east of the Mississippi.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A medical facility that has been kept frozen in time.

A bizarre house filled with an astounding array of collections.

A river with some unusual, and occasionally dangerous, habits.

Less a museum than a bizarre fantasy world created by artists and engineers.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

Shop of curiosities with a dinosaur museum tucked in its basement.

The subtle science of a master molecular gastronomist.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A science teacher's dream.

Museum dedicated to the art of cutting and polishing stones.

Eclectic collection of rare and beautiful stones in a historic home.