St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Berlin's old airport.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

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

More than a millennium's worth of municipal records preserve the political history of Austria.

The first modernist church in Europe.

A breathtaking viewing platform over the Alps.

The world's most important buildings shrunk to a tiny size.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

This 19th century cyclorama acts like an analogue time machine to a different era.

The world's oldest known salt mine.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

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

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

Ride a dragon train into a world of dwarves.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Apartment complexes built into huge repurposed natural gas tanks.

The Habsburgs' royal collections of art and wonders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.