Grotta Palazzese hotel restaurant is located in a vaulted limestone cave in the seaside town of Polignano a Mare in Southern Italy, where local nobility held banquets since 1700s, now, it’s a perfect spot for ...
The Jacob’s Well is a 40 meters deep cave inside a spring in Wimberley, Texas, which looks rather like an endless black hole in the water and is not only a wonder, but a very ...