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.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

An exotic wildlife habitat right off The Strip.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.