Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

The world's first combination ski slope and power plant.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

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

A towering sculpture, likened to an adult toy, sparked local and national debate.

The ruins of a medieval bridge are visible inside a Prague Metro station.

Spitfire airplanes with butterfly wings hover over Prague’s skyline.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Historic medieval fortified city in southwest France.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Engineering ingenuity during the battle of Gibraltar.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Single runway interrupted by a busy road that cuts across its middle.

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

This abandoned five-star hotel is now a five-star urban exploration destination.

Europe's oldest still-operational tea farm also boasts a spectacular view.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

The animals wander freely amid this gorgeous stretch of nature.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

The eccentric midcentury home of a suspected mafia gun-runner.