An enormous dragon scales the walls of this 17-story temple.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Elevated freight railway turned wildly successful urban park.

Ride the subways of yesteryear.

This innocent-looking townhome is actually a subway exit.

Walk into the 19th century without leaving Brooklyn.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

New York City's smallest piece of private property.

Become a prohibition rebel.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Avoid gangster interaction while window-shopping.

Pennsylvanian mass grave and possibly mass murder.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The site of the climactic scene from the classic horror film is now a historic landmark.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The seamy, underground secrets of Portland's criminal past.

'Cause the fence start shaking, the earth was quaking.

Art in the form of a winding, man made crack in stone.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

Half of a house.