A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Venice's island of the dead.

Go inside to really appreciate this 500-year-old technological masterpiece.

The mummified relic of St. Antoninus.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The middle finger of modernity.

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

Erotic art covers the walls of the largest ancient pleasure palace.

The final resting place of the poets Shelley and Keats.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

Breathtaking and huge 430 year old maps of Italy.

2300-year-old Roman road connecting the empire.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

An ancient Egyptian temple in the middle of Madrid, Spain.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

Founded as a refugee camp, now a popular tourist spot.

Traditional 11th-century outdoor tannery.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Museum dedicated to the terror regimes of Hungary.