This single room has survived the centuries with almost no deterioration.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

A stone plaque and a winking pub name are all that remain to remember the victims of deadly 1836 avalanche.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

This micro-nation may be some sort of prank, but its constitution sure seems official.

A petite castle folly in the English countryside.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

This craggy boulder is fabled to be either a druidic relic or Satan's stumbling block.

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

Eighteenth-century home, where Herschel discovered the planet Uranus.

Once the home of a hermetic monk, this cave now houses a small church.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Museum dedicated to the terror regimes of Hungary.

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

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Electrical curiosity museum housed in an old transformer station.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.