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

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A controversial memorial at the place where Captain Cook met his violent end.

A cemetery housing wild west legends in South Dakota.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Breathtaking and huge 430 year old maps of Italy.

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

Come for the speed, leave in love with the desert.

You thought Santa Claus didn't exist, but it turns out you were wrong.

A former major munitions plant that has been converted into a sprawling art space.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

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

This tiny patch of arid sand sits in one of the greenest states in the United States.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.