A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Legends surrounding this megalithic tomb range from giants to a dwarf named Trollid.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

A 17th-century church is nestled within the walls of a 15th-century ruin.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

These 1,500-year-old remains were found in a mysterious Anglo-Saxon mass grave.

A 16th-century castle unexpectedly nestled within a post-war housing development.

This black cat was actually designed to ward off bad luck.

A series of idealized caves carved to entertain guests.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

The Ranger’s House exhibits fine mementos collected by Sir Julius Werner during the course of his life, including this infamous pendant.

Home to the ancient Roman temple of a lesser-known Celtic god that inspired J. R. R. Tolkien and H. P. Lovecraft.

An 18th-century viewpoint across the surrounding highlands.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

The ruined abbey includes a rare surviving example of a monastic latrine.

This mummified mermaid corpse is an aquatic curio that was eventually revealed to be a fake.

This oddly placed 15th-century church is one of only six bridge chapels left in England.

A large collection of steam engines, organs, and fairground attractions.

A memorial commemorating the only Scottish police investigation into an extraterrestrial incident.

One man's attempt to stay one step ahead of the church.

Aliens and monsters lurk inside this museum dedicated to one man's lifelong adoration of all things sci-fi.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.