This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Huge masonic hall in Philadelphia with lavishly themed rooms.

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

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

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

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

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.