This museum is home to one of the biggest collections of printing press technology—plus a river view.

Waterway populated with abandoned projects, including a submarine.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

The curiosities and wonders of pharmacy in a delightful historic building.

A very classy 1920s-era bar right in Grand Central Station.

New York's oldest magic store.

A former electrical substation is now home to an eccentric junk art masterpiece.

One part antique store, one part curiosities hodge-podge.

A popular swimming hole that hides one of America's most deadly diving spots.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.