Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

This crumbling folly looks like an enchanted left over from Middle Earth.

A unique waterfall that some believe attracts the fairfolk.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

Gladiators once walked this ancient, subterranean passage.

After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Seat of the Duke and Duchess of Devonshire for centuries.

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

A statue honoring Frank Sidebottom, a beloved cartoon figure from Timperley.

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.

A stone wall commemorates the legend of a ferocious dragon who literally got his butt kicked by a knight.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

This Scottish manor house is a lush relic from the life of a literary great.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The burial site of a murdered bishop and his alleged killers.

Now home to a drinking establishment, this building has a macabre history.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

A rare memorial paying homage to an altruistic woman from the 19th-century.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.