A futuristic, brutalist masterpiece that is also strangely prison-like.

With over 10,000 lights, this engineering marvel lights up the city after dark.

This is the oldest Roman-made bridge in the city still existing in its original state.

Three-story concrete ram with a permanent gift shop.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

A free public golf course hides in plain sight in the heart of Scotland’s capital.

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

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

Come for the flowers, stay for the bats!

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

This bridge was constructed from the rubble of the infamous Bastille.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A solemn memorial in a majestic setting that honors a 1692 tragedy.

On a hill overlooking Loch Trool, a granite boulder marks the site where Robert the Bruce, King of Scotland, defeated an English army.

A remarkable feat of Victorian engineering across the Firth of Forth.

This modern labyrinth lies in the shadow of a ruined medieval castle.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

The heads of two giant mythological water horses honor Scotland's horselord past.

360° views of the city plus five floors of optical illusions and hands-on science.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.