Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

This massive sycamore tree has been labeled as one of the largest in the state.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

The humble field where the first Major League Baseball game was played.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

A daily replay of the experiment that proved the rotation of the Earth.

A field of nothing but boulders which resembles a giant's gravel driveway.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

The Home and murder site of the witch of Rehmeyers Hollow.

The oldest farmer's market in America is so ancient it was approved by the King of England.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

In which a local geological marvel becomes a quaint roadside attraction.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Mysterious rocks that ring musically when struck.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

This Czar-funded, onion-domed, lavishly muraled Orthodox Church played a starring role in "The Deer Hunter."

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.