A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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

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

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

These lush botanical gardens employ the most purrfect pest control force.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A park full of outsider art, created by college students studying outsider art.

This might just be the TARDIS of bookstores.

Pennsylvanian mass grave and possibly mass murder.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

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

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

A toxic ghost town sitting atop a massive coal fire.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

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