On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

This extraordinary art museum is like a secret world on the edge of Mexico City.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

Experience what life was like in Ireland during the Viking and medieval ages.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

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

This conical hill was built as a testing ground for an engineer known as the Glider King.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A slice of central Asia in the middle of Berlin.

A surreal museum of extraordinary industrial objects.

Two gilded cherubs perched on a church bell tower have been reminding visitors of the finitude of life since 1760.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.