A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

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

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

A rural hall of justice holds the world's only comic book and superhero museum.

A humble homemade ride attracts visitors from around the globe to this small Midwestern town.

Symbolic attempt to overcome the issues of life.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

This circus town museum recognizes the outstanding clowns of history.

A large circus museum with summer performances.

Where you can photograph wild black bears without worrying about becoming dinner.

A cozy cafe tells the remarkable story of how one man started with a little red paperclip and wound up with an entire house.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

Belly up to the bar in Cowtown, don't forget to buy some boots.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

This large midwestern cavern features impressive rock formations and an underground waterfall.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

A modernist landscape of water and sci-fi concrete.

The Ozarks' strangest dwelling.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

An extravagant western hotel where every floor is the "ground floor."

This century-old roadside attraction is full of bizarre rock formations.