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

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Theme park featuring miniature replicas of European monuments.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

The Devil’s own choice when he needs a drink in Brussels.

A little sculpture with a large wardrobe.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A man throwing a giant severed hand towers over Antwerp’s main square.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Twisted buildings adorn the banks of the Rhine river.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

Thousands of flowers create enchanting pink tunnels over the city streets.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

A ruined castle stands atop a hill surrounded by dragon lore.

The last gas-lit cinema in the United Kingdom, and perhaps the world.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

The longest and tallest aqueduct in Britain can actually be sailed across.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.