Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

A scattered trail of street art adds a pop of color to the city's stark structures.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

A modern English garden of eccentric beasts, follies, and oddities.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

At high tide this strange footbridge appears to have no purpose whatsoever.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Surreal riveted sea forts once protected the Kent shores from German attack.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

A fantastic castle rumored to be the birthplace of King Arthur.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This tangled English forest looks like something right out of a fairytale.

Spend the night in this formerly abandoned traditional Scottish village.