The only recreation of William Shakespeare's indoor playhouse.

This dramatic rail curve was once the target of a failed Nazi attack.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

These disused steel furnaces are now haunting ruins that may one day be a national park.

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

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

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

This elaborate towering structure was once famed for its revolutionary height.