The world’s oldest surviving single-arch railway bridge.

This giant wooden treehouse within a sprawling garden has its own eatery.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

The sign at the garden gate reads: "These Plants Can Kill."

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

This 13th century castle is chock full of ghosts and impossibly rare cows.

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

A woodland close to England's "most haunted village" has been the site of many unexplained events and deaths.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Cat art as far as the eye can see.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

These marks in Myddelton Passage aren't your run-of-the-mill vandalism, and they weren't made by your typical vandal.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

These mysterious mazes carved on the rock may be up to 4,000 years old.

A unique waterfall that some believe attracts the fairfolk.

400-year-old garden, restored to beauty.

The twists and turns of this serpentine maze are over 170 years old.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A rampant horde of demons smirk and snarl at visitors to this church, home to a rare complete set of medieval-era stained glass windows.

English antique dealers with a taste for the unusual.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

High-end antique collection housed in a centuries-old church.