This folly built to commemorate an aristocratic victory over Catholic rebellion plays tricks on the eye.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A modern English garden of eccentric beasts, follies, and oddities.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

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

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

This network of narrow, medieval passages has the most delightful name.

Huge winged monument in the United Kingdom.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

A repurposed railway tunnel with otherworldly acoustic characteristics.

Graham Ibbesons's moving tribute to the victims of England's worst mining disaster.

This tribute to a beloved cricket umpire is a magnet for risqué pranksters.

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

The tallest freestanding structure in the United Kingdom.

Though much of the castle was robbed of its stones, the underlying earthworks are among the best-preserved in England.

Believed to be the longest railway bench in the world.

Three bridges straddle a stream, one stacked upon the other.

Follow the original medieval paths that wind through this intriguing section of the city.

One of the shortest streets in York has an especially odd name.