Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Giant, pink stuffed rabbit on an Italian mountain.

The location of a citizen uprising that led to a gruesome act of mob justice.

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

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

The colorful stairs are made with marble from the world's major quarries.

This mundane post marks the old location of the city's main postal hub.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

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

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Now home to a drinking establishment, this building has a macabre history.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

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.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A brush maker used his factory to protect blind Jews from the Gestapo.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The most visited, and possibly most controversial, museum in Germany.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.