Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

An Irish Memorial commemorating those who perished due to potato blight.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

The abandoned coal loading dock is a canvas for unsanctioned art.

This elaborate towering structure was once famed for its revolutionary height.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The oldest surviving botanic garden in the United States.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

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

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

The most photographed house in Maine looks good enough to eat.