Legend says this sacred tree was a gift from goddess Athena.

An outlandish shoe shaped house built by an eccentric millionaire.

Memorializing an American tragedy of massive proportions.

Steepest flood safety railway in the entire world.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

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

A local prank turned town icon.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

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

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

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

Check out the 125-pound chocolate reindeer in the back of this candy shop.

This oldest brewery in the U.S. has lived through fire, Prohibition, and six generations of family ownership.

Explore this unspoiled peninsula with 11 sandy beaches and 13 miles of hiking and biking trails (keep an eye out for soaring bald eagles overhead).

Climb the first lighthouse commissioned on a Great Lake to a lookout with peaceful, panoramic views.

Relax over handcrafted ale and gastro-pub grub inside an iconic (and possibly haunted) train station.

Tucked into Pittsburgh’s North Side, the Mattress Factory is a labyrinth of permanent, room-sized installations where artists transform entire spaces into mind-bending, immersive worlds.

Sleep in a Frank Lloyd Wright-designed home or dine in the treetops in this architecture park.