This macabre painting of a Shakespearean scene looks like something out of a nightmare.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

An unusual round church in London with a Templar past.

A mysterious shape catches the eye in this 16th-century painting.

Its collection includes a broad array of social, geographic, graphic design, and political history.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This medieval church is the only one in the world that features all Marc Chagall stained-glass windows.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

This gravestone and its inscription inspired a movement that has spanned generations and saved countless lives.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

Europe's largest prehistoric mound – burial site of a legendary king?

It's possible to walk inside one of the largest Neolithic tombs in Britain.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

Inspired by the colossal pyramids at Giza, this 15-foot structure is believed to be the first funerary pyramid in Great Britain.

There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

These ornate arches show how the course of the River Thames has changed.

The medieval woodcut-style artwork chronicles life in medieval London.

The narrowest street in Paris.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This modest marker near Notre Dame identifies the very center of Paris.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.