An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Reaching the "Church in the Sky" requires scaling the cliff face of a sandstone pinnacle with a 650-foot drop.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

Bizarrely-painted church designed by a controversial artist.

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

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

The Habsburgs' royal collections of art and wonders.

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

Double spiral staircases are not unheard of, but they are very rare.

Op-art architecture designed for happiness.

This former insane asylum now holds a pathological anatomy museum.

A 2,000-year-old engineering wonder hides beneath an Italian town.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

A beautiful discovery site of prehistoric burials.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

The oldest volcanology research center in the world.

An eerie, little-known Neapolitan museum filled with preserved human remains.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Southern Italy's spinning top village.

Bell tower juts out from a village buried under a lake.

The world's most active stratovolcano is almost always erupting.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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