An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Taxidermied animals galore, by appointment only.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Abandoned ship reimagined as a street art canvas.

Evans's funeral had one of the largest attendances of any funeral in the history of Wales.

The decaying ruins of Wales' first asylum for the mentally ill.

In a boatyard near Aberdyfi is a nautically inspired work of art.

The painting on an aptly named street honors the 1980s slasher movie.

A section of a historic wooden trestle viaduct is preserved next to the railway line it once carried.

This 1776 beacon on the coast of Wales is said to have a ghost called Raymond, the last lighthouse keeper.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

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

This 19th-century island fort built to protect against an invasion by sea.

Quirky Welsh observatory unites art and science.

An amazing collection of curiosities hidden in a small Welsh village.

An unexpectedly extraterrestrial room in a former Victorian resort club.

The artist David Nash planted a circle of trees in 1977.

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

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

The remains of centuries of copper mining appear like an alien landscape.

After years of slow decline, a derelict Gothic castle is now being restored to life.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.