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

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

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

One of the world's largest model railroads is a mind-boggling achievement.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

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

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

Once in a state of dilapidation, this candy-inspired fortress is now being revived.