The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

This 15th-century structure had a long, tortuous journey to its current location.

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Hear the quietest sound from across the dome.

An unusual round church in London with a Templar past.

Eighty million natural history specimens call this gargantuan museum home.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The star-studded street honors the city's most notable Brummies.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

An ancient knight and a symbol of the city's freedom.