An American industrialist hoped this nature preserve could help save the North American bison.

Come for the history lesson, stay for the mule-pulled boat rides.

The lasting remains of the region's once booming cement industry.

A completely round house designed for the Atomic Age.

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

At the end of a street is a statue with no indication as to why it was created.

Visit a fourth-generation farm and museum dedicated to everyone's favorite fungi.

The site of the daring river crossing that changed the course of the American Revolution.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

Mysterious rocks that ring musically when struck.

Decorative folk arts dot the countryside barns of Berks County. 

A tribute to those that perished during the American Revolution.

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

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

A failed piece of Orientalism has become the proud symbol of a community.

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

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

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

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

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

This giant disembodied horse head seems to balance impossibly on its nose.