Now harmless, this looming post struck fear into the heart of medieval troublemakers.

Gargoyle head that brings good luck.

A musical instrument played by the sea.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

Op-art architecture designed for happiness.

The topiary maze at the Habsburg hunting lodge.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

A spherical "micro-nation" in the heart of Vienna.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

What happens when you cross a mayor and a painter?

In this town's main square resides a statue of none other than the 43rd President of the United States.

The sign at the garden gate reads: “These Plants Can Kill.”

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A museum pays tribute to the glass-making industry of Sunderland.

Huge winged monument in the United Kingdom.

Journey through this open museum where even employees remain true to period.

A locomotive made from 185,000 bricks celebrates the town's pioneering railway history.

This imprint of an old computer keyboard has a unique backstory.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's narrowest alley is barely over two feet wide.