Natives of this mud-brick desert village use an ancient irrigation system to grow sweet, seedless grapes.

An abandoned Depression-era zoo hidden just off the highway.

No one is quite sure of the origins of these idyllic natural hot springs at an abandoned mountain resort.

This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A lake formed in the basin of a massive impact crater takes the shape of an unbroken ring when viewed from above.

This Indonesian village was revitalized by a vibrant rainbow paint job.

An 11th-century mountaintop fortress that played a crucial role in Italy's papal wars is now a vacation rental.

A mesmerizing landscape of 18th-century cellars carved out of the land.

A library of only unpublished manuscripts.

This elegant arc of a waterfall marks a religious turning point.