Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

A historic Georgian building and warm springs.

This centuries-old mansion was the home of the noted 19th-century diarist Anne Lister (aka “Gentleman Jack”).

This sculpture of Edward of Woodstock is surrounded by eight Victorian lamp bearers.

The sole surviving medieval street cross in Scarborough.

The grounds of this Catholic boarding school are said to have inspired Arthur Conan Doyle and J.R.R. Tolkien.

This historic former textile mill now houses a brewery, hotel, and what's believed to be the longest bar in the United Kingdom.

This round structure dotted with portals is one of several pieces scattered throughout Lancashire.

Some of the most enduring novels in English literature were written within the walls of this Georgian-era building.

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

Perhaps the only prehistoric monument with its very own public bus stop.

This unusual sculpture is sometimes partially, sometimes fully, submerged.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

Giant, friendly pelicans in Central London, the most unlikely of places.

The second smallest castle keep in England.

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

The remains of the concrete ship can be seen during low tide.

The largest timber structure in Europe.

Also known as “Robin Hood’s tree,” it became a famed location along Hadrian's Wall before it was cut down.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

A stone obelisk towering over the surrounding countrysides beckons hikers across the rolling moors.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

France's most famous cemetery, with some of its most curious tombs.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.