Hundreds of hidden passageways weave through the old quarters of Lyon.

The celebrated eyesore created by starry-eyed sweethearts.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

These "bridges" help confused bats cross the road.

A open air theatre built on a cliff by an eccentric British woman.