The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

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

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

World's second largest particle accelerator, where nature reveals its secrets.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A diverse, expansive nature preserve in northeastern Kansas.

Mining caused an asbestos emergency in this small town.

The only road through the heart of Glacier National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Home to the deepest rift anywhere on Earth.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A statue high in a hill that represents how Buffalo Bill got his name.

Home of mutant livestock.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A house carved into a rock in the 1940s.