This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Commonly acknowledged as the only public monument to the Devil himself.

An ancient Egyptian temple in the middle of Madrid, Spain.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

Belfast's namesake river still winds below the city center, hidden from sight.

A museum marks and documents the site of the Titanic's launch.

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

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

An exquisite Baroque church in Vienna's old town.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

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

When this funny little building went up in the 19th century, most people thought it would simply fall over.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Da Vinci's equestrian statue, 500 years in the making.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.