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

Pompeii's less famous neighbor is still revealing her secrets.

Ancient snack bar of the Roman Empire re-opened.

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

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Traditional 15th century Chinese garden in the middle of Vancouver.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Pilgrimage site for star-crossed lovers.

One of the tallest maypoles remaining in England in one of its smaller villages.

A French library that makes sure its love of books is writ large... giant in fact.

Giant, friendly pelicans in Central London, the most unlikely of places.

A place of remembrance for the Prime Minister that met a violent end.

A mushroom-shaped outcropping that has come to be the symbol for an entire town.

This collection of historic puppets honors centuries of the craft.

Cat art as far as the eye can see.

A fortified city, home to a remaining population of five families

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

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

The anatomical-pathological collection of a man who changed surgery.

Ship-sized kinetic sculptural fantasy.