The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

Nature and art meet in this curvy creation

The first artificial white water river course in North America cuts right through an Indiana city.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

Illegal drag racing two stories beneath Chicago’s streets.

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

A notorious Route 66 eatery once frequented by Al Capone.

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

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

A Bibliophile's Dream.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

The only diamond mine in the world where you can keep what you find.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Exceptional Nepalese food can be found in a Texas gas station.

The summer home of the largest colony of bats in the world.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

This quirky curiosity shop takes its cues from the world's bazaars.