The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

Leonardo da Vinci was one of many to find inspiration in this unique, rocky landscape in Tuscany.

An unusual house built using an iso-elastic membrane.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

Abandoned cemetery of the former Psychiatric Hospital of Volterra.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

A blend of nature and art awaits visitors to this park.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A restaurant and observation deck built in a unique broadcasting antenna.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

This conical hill was built as a testing ground for an engineer known as the Glider King.

A 12th-century fortress containing some of Berlin's oldest buildings.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A fascinating insight into daily life in the Eastern Bloc.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

The most visited, and possibly most controversial, museum in Germany.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.