A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."

The only presidential monument to display a late POTUS's actual casket.

The 25th President's marble casket can be visited in this classical Ohio tomb.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

This massive airship factory is so large that it has its own indoor weather.

For decades, this waterfall remained hidden because of an artificial dam.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.