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

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

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

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

The topiary maze at the Habsburg hunting lodge.

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

The Habsburgs' royal collections of art and wonders.

A magnificent collection of imperial armor and weaponry.

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

The world's northernmost aquarium looks like it has fallen over.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

A Roman mosaic depicting a classical myth was only rediscovered after bombing during World War II.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

An excavation site that signified Hercules in Pula, and a glimpse into the city's Roman history.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.