A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Berlin's old airport.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A towering monument to war, located on a beautifully peaceful hill.

Massive galleon from a box-office bomb docked in Genoa.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

This Torino museum honors a soldier who kept the city safe using barrels of exploding gunpowder, losing his life in the process.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

A brutalist gem towering over the heart of Milan.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

Europe’s oldest natural human mummy.

The community gathered on this stone table to make important decisions, but it was also the site of witch trials.

This medieval castle was reconstructed by Carlo Scarpa.

These elaborate gothic monuments honor Verona's medieval lords.

Pilgrimage site for star-crossed lovers.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.