The bridge that cost Germany a World Heritage Site.

The footprint of a frustrated devil in Munich's Cathedral.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Air-raid tunnels hidden beneath this opulent hotel provided shelter and an escape route—and one of the world's longest slides.

This monument celebrates this shopping district's past history as a feudal silver mint.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

A bit of retro transportation flair preserved in the world's largest department store.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

The former sign of this immortal music venue is just that--undying.

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

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Oldest existing wire suspension bridge in the United States.

Three columns of volcanic rock shoot out of the ocean.

A winding, cliffside stretch of road overlooking the Delaware River.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

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

A World War II-era submarine is stuck in the mud in New Jersey.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Local lore claims this park is named after a young woman who jumped off a cliff.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A fearsome dragon clings to a corner of Munich's city hall.