Many of us dreamed of being astronauts as kids, imagining exploring the boundless universe and wondering what awaited us beyond the darkness? While few of us may ever get the chance to venture into space, if you’re looking for an out-of-this-world thrill, consider visiting Jacob’s Well in central Texas, USA.

Jacob’s Well is located in the small town of Wimberley in west-central Texas. Though not surrounded by spectacular scenery, its crystal-clear waters and unfathomably deep natural sinkhole attract large numbers of visitors every year. Aside from being a popular summer retreat, one of its biggest draws is the well’s staggering depth of 40 meters — nearly 13 stories — easily surpassing most artificial diving spots. This tempts many adventurous divers to climb the surrounding cliffs and leap into the unknown, experiencing the thrill of diving into this endless black hole.