A road that ends in the middle of a farmer’s field is one of the only remnants of this once-famous racetrack.

The last of Amsterdam's original sea level markers remaining in place.

A striking 12th-century-style castle built on the edge of a cliff.

This Italian foot path winds through the mountains via 52 individual tunnels.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

A beautifully eclectic mix of architectural styles.

Bell tower juts out from a village buried under a lake.

World's largest barrel containing an inn.