This beautiful 150-year-old synagogue survived Italy's fascist period and the Second World War.

Where mountaineers were checked for lice before entering the city.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This demon atop the Notre-Dame de Paris looks utterly bored.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The final resting place of the great navigator, or maybe his brother.

Single runway interrupted by a busy road that cuts across its middle.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

The world's oldest bookshop still in operation.

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

The best place in the world to buy tinned fish.

Ancient Phoenician and Roman tombs carved into the rock overlook the Moroccan coastline.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

A historic Montreal market that was the city's agricultural hub for over century.

A huge boat-shaped hotel with a blood red pool and other oddities.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

A bright little alley in La Boca is a part of tango history.

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Because sometimes the most efficient route from A to B isn't a straight line.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."