The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

A bronze tribute to the wildly popular video game from the '90s.

This snack factory boasts several tributes to its popular line of rice crackers, including a quasi-shrine.

Part of a secret 1970s nuclear defense program is now open to the public.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

One of the few places of its kind, this space research center sits deep in the countryside of Matera.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

Canada's subterranean Cold War museum has doubled as a movie set.

A stone in Wolin, Poland, marks the possible location of a legendary Viking fortress.