This popular shopping mall and eatery once provided scant comfort to sick colonials and seafarers

Pettah's beautiful floating market was once a stinky canal in a sketchy industrial area.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

Fortified medieval tower house with lovely roof garden.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

If you like Art Deco you will love this bridge.

The only quarter of the Old City not dedicated to a major world religion.

Traditional Bedouin crafting has become an official tourist site and successful industry for its female craftspeople.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

These unique markers designate the route American forces took during the Liberation of France.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

This tower is all that remains of the mosque that once stood in the center of the city, before it was destroyed by fire in 1941.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Take afternoon tea in a 17th-century almshouse.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

This remarkable building has a lot to offer, even if you're not placing a bid.

This secluded bay on the island of Poros is a magnificent snorkelling site with an archaeological secret.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.