Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

According to local folklore, this Roman sepulcher was once a throne for the Devil.

A fairy tale castle in modern Rome.

Architectureal fantasy quarter of Rome.

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

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A huge enchanting public park just outside the ancient walls of Rome.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This curious, round temple is the oldest still-standing marble building in Rome.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

2300-year-old Roman road connecting the empire.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

Pilgrimage site for star-crossed lovers.

Walk through a fairytale in Tuscany.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.