Swedish skyscraper with a 90° twist.

It houses the remains of a 17th-century version of the Titanic.

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

Berlin's old airport.

It's always summer at the beach inside this former airship hangar.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

Copenhagen's celebrated theme park and gardens.

This Scandinavian island is the site of the first modern observatory.

Micro-nation based around a nine-story high illegally built tower.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

Jesus' footprints and the first catacombs in the world.

Architectural monsters are devouring this palace's every door and window.

2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Where commuters walk through remnants of an ancient Greek necropolis.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

Ancient Greek oracle of the dead.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.