Climb inside an iron crystal magnified 165 billion times its normal size.

Because sometimes you need to make a batch of frites even when the stores are all closed.

A moving memorial to the fallen and missing from WWI trenches.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

How did this lovely seaside English village come by such an unusual name?

Over 100 years ago this pyramidal holding cell was reserved for rowdy drunks but now only offers five minute sentences.

Banksy's image of a naked man dangling from the window of a sex health clinic.

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

This hilarious English intersection is an automotive whirlpool.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

Two women with a flair for both adventure and artful clutter created this singular round home.

A open air theatre built on a cliff by an eccentric British woman.

Standing atop Wellington Hill is the world's tallest three-sided obelisk.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Recreations of a Norse longhouse and boat on Shetland's northernmost inhabited island.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

A subterranean playground in an abandoned slate mine.