This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

A large collection of ancient runestones decorates this university courtyard.

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

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Catacombs turned marketplace.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Eighty million natural history specimens call this gargantuan museum home.

Europe's only museum solely dedicated to the history of whaling still has a fully-functioning whaling ship.

A gift from Emperor Franz Joseph I to his wife.

Denmark’s never-ending bridge.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

Museum devoted to the artificial language of Esperanto.

The Habsburgs' royal collections of art and wonders.

A silly medieval mural preserved on the side of a Viennese house.

Handsomely crafted representations of our round planet.

Visiting this café is like visiting the Austrian grandma you wish you had.

This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Black cat statues guard this temple-like Egyptian revival factory.

Climb to the top of its spiral spire for spectacular views of Copenhagen.