The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

An abandoned stretch of highway, deteriorating next to the operational one.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

This dramatic rail curve was once the target of a failed Nazi attack.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.