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

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Human-made caves excavated to hide a secret society of wealthy pagans.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

One of Europe's oldest libraries.

Ship-sized kinetic sculptural fantasy.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

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

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

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

A little slice of Japan and its aesthetics in London's Holland Park.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

This luxury shopping lane has been protected by its own tiny police force for over a century.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.