This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

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

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.