A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

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

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

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

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

A biblically accurate ark located beneath a Hong Kong bridge is fun for the whole Christian family.

A station built to repel pirates now attracts wealthy vacationers.