This hidden natural fountain issues forth a steady supply of supposedly healing water that tastes like rotten eggs.

This enormous sculpture honors an English town's engineering and industrial heritage

The only surviving leech house in the United Kingdom was a home for bloodsucking worms until the 1900s.

This collection of ancient structures makes up part of the largest group of prehistoric earthworks in Britain.

A small waterfall tucked away in the forest of Harmby Gill.

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

An amazing model of a whale's jaw bone pays homage to the region's seafaring traditions.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

This Scottish manor house is a lush relic from the life of a literary great.

Built as a training camp, this site became a detainment center for prisoners of war and German civilians during World War I.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

A world-class theater sits hidden in this remote town in West Iceland.

A road runs through the middle of this small Austrian chapel.

A former coastal watch post has been turned into a bothy with unrivaled views of the sea and its inhabitants.

This memorial is dedicated to the hundreds of soldiers from Featherstone who died fighting World War I.

The world's oldest optical museum is an odd collection where the exhibits look at you.

This is what trains will look like after the zombie apocalypse.

Once upon a time these giant concrete tanks were used by local fishermen to clean their wild-caught mussels.

Once-buried markers show England’s lowest land point keeps getting lower.

One of these two land speed record-breaking vehicles went so fast it shattered the sound barrier.

A typographic tribute to the many comedic greats who make Great Britain laugh.

The obelisk honors the cyclist troops who were killed during World War I.