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

A fascinating insight into daily life in the Eastern Bloc.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

One man's remarkable private collection of art from around the world.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The best place in the world to buy tinned fish.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Museum celebrating the history of computers, especially their role in codebreaking.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

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

Gargoyle head that brings good luck.

Roman ruins, natural methane fires and a lovely beach.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.