This pedestrian walkway cuts through a cemetery and over several burial vaults.

Recently restored menagerie of Victorian-era beasts.

Stroll through Welsh history in a village of reconstructed structures.

The longest and tallest aqueduct in Britain can actually be sailed across.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

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

Three bridges straddle a stream, one stacked upon the other.

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

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."

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

The commemorative stone column conceals a secret laboratory.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

London's old-school healing garden.

Hear the quietest sound from across the dome.

A cluttered and astounding collection of antiquities and curiosities.

An unusual round church in London with a Templar past.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Eighty million natural history specimens call this gargantuan museum home.