This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

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

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

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

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

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

Current docking place of the SS United States, the fastest transatlantic ocean liner.

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

A local prank turned town icon.

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

There aren't too many operational funiculars around, but Pittsburgh has two!

Yo, Adrian!

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

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

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.

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

Dr Barnes' $25 billion private collection of art and arboretum.

This might just be the TARDIS of bookstores.

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

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

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

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