This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

This ceremonial Mexican square looks as though it belongs in a science fiction movie.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

It's always summer at the beach inside this former airship hangar.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

An Italian hillside ghost town.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

China's very own Atlantis is an ornate dynastic city resting at the bottom of a lake.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A unique waterfall that some believe attracts the fairfolk.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.