The first recognized Neanderthal remains were found in this now-lost cave in 1856.

Thousands of flowers create enchanting pink tunnels over the city streets.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

In the Netherlands, one of the world's largest private car collections can be found.

Survival capsules find a second life as a unique hotel.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.