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

Each step is a mere four inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

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

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

"Where the ducks walk on fish."

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

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

An ideal wedding spot that is almost too ideal.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

This jail which was in service for over a century is now open for curious visitors.

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

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

This park contains a number of standing stones meant to heal and inspire.

The oldest surviving botanic garden in the United States.

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

An outlandish shoe shaped house built by an eccentric millionaire.

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

This Old Testament garden features 100 plants from biblical times.

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.