An intricately carved Viking church overlooks a glistening fjord.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A 12th-century fortress containing some of Berlin's oldest buildings.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

An eerie, derelict amusement park in Berlin.

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

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

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

An artist's mausoleum with a haunting echo.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

A collection of haunted objects and macabre oddities under one roof.

This former shopping outlet is now adorned with beautiful graffiti and murals.

This former open-pit manganese mine is now a massive graffiti canvas.