Annual technopop celebration of peace and love.

One of the most notable figures in the Wurstelprater’s history is often assumed to be a fictional character.

These relics of the city's past now exist as a prominent modern feature.

Designed as a reminder of one of the darkest moments in Austrian history.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A magnificent collection of imperial armor and weaponry.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

This cubist Vienna church building looks like some sort of alien stonehenge.

The beautiful baroque library of the Hapsburg empire.

Several 12th-century ruins can be found inside this historical market.

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

A collection of abandoned typographic signs from Berlin and beyond.

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

This classic restaurant features a gorgeous mirror-clad room.

Legends surround an ancient tree trunk riddled with nails for good luck.

The resting place for anonymous victims of the Danube's dark waters.

Each year melting snow turns these Austrian hiking trails into scuba zones.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Double spiral staircases are not unheard of, but they are very rare.

Museum devoted to the artificial language of Esperanto.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

An Austrian house of bones filled with hundreds of intricately painted skulls.

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

A unique hotel for the artistic soul.