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

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

A bridge that has seen many reiterations over its lifetime.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

The Netherlands' first car tunnel has an unusually rectangular shape.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

The largest of only eight working transporter bridges left in the world.

Recently restored menagerie of Victorian-era beasts.

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The oldest statue in the Netherlands has survived relocation, bombardment, and burial.

A modern reimagining of a medieval city gate.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

Go deep down into the earth to experience the world of Welsh coal miners.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Enthusiasts of the mid-20th century magician and comedian erected this statue in the small Welsh town in which he was born, even though the comedian only lived there for three years.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The castle still holds traces of the abandoned Roman fort it was built atop.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Stroll through Welsh history in a village of reconstructed structures.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.