Extraordinary rock formations in open Peruvian fields.

This massive solar system model is sprawled out across Maine's suburban wilderness.

These delicate ruins need more tourists to keep them from fading away.

A swing to dangle you off the very edge.

The Twisted Trees of Alticane are an unnerving grove of Quaking Aspen, apparently mutated from a single source, giving them a twisted and unnatural appearance.

Where the lovelorn find a home for their sentimental keepsakes.

A Singapore shrine to an unnamed German girl who has become a local deity.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

A colorful Peruvian city of the dead.

Ain't no party like a ghost town party.

Huge stone depressions which may have acted as an Incan agricultural experiment.

A sacred mountaintop temple offers a fine cup of tea to visitors who can survive the journey.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Stalactites and stalagmites in a beautifully lit cave.

The best-preserved Roman small town in North Africa.

This star-shaped military outpost is now simply trying to protect itself from neglect.

Geological storytelling.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

An eccentric inventor's castle home with its own indoor weather system.

Lithuania's outdoor sculpture trail of wooden folk art.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.