A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This public park was the site of the largest civilian disaster of the Civil War.

One of the oldest of its kind.

The last street in Pittsburgh that's paved with wood.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

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

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

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

Pennsylvanian mass grave and possibly mass murder.

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 oldest surviving botanic garden in the United States.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This museum explores the history of policing and is also home to a very popular taxidermied duck.

Rowdy rebels fortified this home during the first popular uprising in United States history.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

The hide of Stonewall Jackson's equine sidekick is on display not far from where the ashes of his bones are buried.

This museum explores the grim reality of life in the earliest British colonies in America.