The weathered grave of a medieval anchoress who walled herself up in a cell attached to a church.

The intended purpose of this unfinished Elizabethan building remains a mystery.

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

This early 19th-century blast furnace only survived because it was a financial and technical failure.

This old village lock-up is known as the "round house," but it is actually octagonal.

The longest stone bridge in England has an impressive history that dates back over 700 years.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Seat of the Duke and Duchess of Devonshire for centuries.

World's largest working waterwheel has been around for over 150 years.

An unusual monument to a 19th-century circus star.

The remains of the wrecked steam trawler can be found on the beach at low tide.

Mysterious chains and iron stakes adorn this strange grave, with no explanation.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Huge winged monument in the United Kingdom.

A hundred copies of Antony Gormley's naked body stare out across the water.

This aging storage facility is the world's largest brick warehouse.

17th century puritan church with connections to the Salem Witch Trials.

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.

The anatomical-pathological collection of a man who changed surgery.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.