A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

These "bridges" help confused bats cross the road.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.

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

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

Chester Cathedral is home to a unique painting crafted on a canvas of cobwebs.

The western face was supposedly left clock-less to snub the Welsh.

The world’s first dedicated cloud observation platform.

The view from this giant Stone Age toad is unexpectedly beautiful.

One of the U.K's earliest public water supplies is within the "plague village."

The star-studded street honors the city's most notable Brummies.

Isaac Newton's former home, where the famous apple tree still stands.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The anatomical-pathological collection of a man who changed surgery.

The medieval woodcut-style artwork chronicles life in medieval London.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

Charles Babbage's proto-computer, painstakingly brought to life.

A clock designed to run with perfect accuracy for 10,000 years.

The bones of two medieval royal lions were discovered at the historic fortress.

Eighty million natural history specimens call this gargantuan museum home.

The unusual stilted beacon is the town's only active lighthouse.