A monument marks the location of the first successful steamboat demonstration.

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

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

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Pennsylvania's own Roswell-style UFO mystery.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

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

Could it have picked a better place to land?

This little museum in the town where zombies were born celebrates the living dead.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

"Where the ducks walk on fish."

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

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

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Where the oil industry began.

This collection honors the iconic, and proudly American lighter that just won't quit.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Steepest flood safety railway in the entire world.