Mysterious rocks that ring musically when struck.

This recreation of a 19th-century dime museum is full of oddities.

Arlington Cemetery exhibit dedicated to death and grieving.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

A legendary boxing venue and ring featured in Rocky V.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

Where the oil industry began.

A museum of anything and everything Stooge.

A retrofuturistic art installation in the Pittsburgh Airport.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

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

A soon-to-be-forgotten roadside spectacle loaded with local lore.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

Where the "World Pinball Champion” is crowned.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

This Old Testament garden features 100 plants from biblical times.

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