A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

A massive volcanic plug is now a protected area that hosts a number of bird species.

The unbelievably opulent home built for an infamous newspaperman.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

World Trade Center memorial likened to a woman's sexual organ.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Tucked in the back of this amazing antique store is an important piece of medical history.

The inventor of the Coney Island hot dog rests in a grand mausoleum in Brooklyn.

Once a dumping spot, now a park with a kayak launch.

Final resting place of Typhoid Mary.

You must take the A train... to the last active cemetery in Manhattan.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This recipe is set in stone.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The site of the deadly Triangle Shirtwaist Factory Fire.

A way to take your secrets to someone else's grave.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Once America's longest-manned military fort, now an abandoned hulk.