Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

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

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.