This wrecked airplane has been sitting on a black sand beach since the 1970s.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The attic of a four-century-old canal house hides a clandestine church.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Lie in a hammock where George Washington stood.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

A bigger-than-life pun that has become a beacon of altruism.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A fascinating insight into daily life in the Eastern Bloc.

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

Copenhagen's celebrated theme park and gardens.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

2300-year-old Roman road connecting the empire.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.