A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

Christ's blood preserved in a Belgian town.

A little sculpture with a large wardrobe.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

This ghost town in Belgium will lose its street art when it ceases to exist.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A self-funded cemetery with a long list of inhabitants.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

This massive water spout has been luring visitors for hundreds of years, some to their death.

Come for the flowers, stay for the bats!

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

This historic observatory contains the world's oldest refracting lens telescope.

A clear example of the process of erosion in action.