A petite castle folly in the English countryside.

Cliffs full of fossils at the portal to England's Jurassic Coast.

Grab a cuppa at England's first and only domestic tea plantation.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

Abstract dinosaur models in London.

A subterranean playground in an abandoned slate mine.

London's smallest police station is barely the size of a phone booth.

The final resting place to 300 Victorian-era pets hides inside the city park.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Famously misunderstood wonder of the ancient world