A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

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

The beautiful baroque library of the Hapsburg empire.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

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

A silly medieval mural preserved on the side of a Viennese house.

This museum is dedicated to the little known ancient Roman history of Vienna.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

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

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

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

Physicist’s epitaph provides final confirmation to a career of turmoil.

Does this strange mural depict witches battling beneath a penis tree?

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

A remote island settlement off the coast of Tanzania is a storied archaeological site with an ancient past.

What appears to be an ancient Roman temple is actually a Catholic church.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.