These flying foxes dangle from the trees around the library like fuzzy black fruit.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

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

What was once a bustling mining installation is now a bustling hub of contemporary art.

A Museum of Psychiatry in a still-operating mental institution.

The world's tallest boat lift stands as a massive piece of industrial tourism.