The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

Legends surrounding this megalithic tomb range from giants to a dwarf named Trollid.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Enter the world under the hill at this ancient UK burial chamber.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The world's first purpose-built indoor shopping mall opened in Sweden in 1955.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

Explore the frozen river and take a walk to a nearby island on some of the longest ice roads in Sweden.

There are hidden patterns on the subway seats of some Stockholm metro cars.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

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

Sweden's "good old days" painstakingly re-created in a model village.

The library's graceful rotunda is like a bibliophile's temple.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

This chimerical bridge/tunnel appears to dead end right into the sea.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.