The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

A man has revenged his true love's betrayal through tears and stone genitalia.

Stockholm's deepest subway station is also a stunning ecological wonder.

Norway's oldest cathedral still in use.

Walk behind a 50-meter-high waterfall.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Murder scene memorialized in perpetuity by grisly obelisk.

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

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

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

This soviet pilot's graveyard is filled with headstones made of airplane fins.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.