Super-heavy Nazi architectural experiment.

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

A wunderkammer of mysterious objects and stories.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

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

Art and a pun, all in one.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

An artistic tribute to the famous singer, just around the corner from where he was born.

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

After years of slow decline, a derelict Gothic castle is now being restored to life.

Picturesque ruins once held off mighty armies.

These haunting ruins belong to an ancient village that once had one hell of a view.

The stately remains of Llywelyn the Great's mighty fortress.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.