This museum promotes informed contraception by documenting its often secret past.

Baroque celebration of the end of the Great Plague of Vienna.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The final resting place for the remains of 143 Habsburg royalty.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

One of downtown Berlin's last reminders of its Communist past.

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

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A surreal museum of extraordinary industrial objects.

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

Centuries ago, red and white wine poured from the statue's breasts whenever a new Venetian ruler was elected.

A visionary Italian architect created an impressive cluster of concrete structures for a family's private tomb.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

Featuring the last fully walkable parapet walkway in Europe.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

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

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.