a secret cave that is. Stretching approximately eight miles, these beautiful underground passageways (dubbed Rio Secreto, or ...

This time, we're diving even deeper into the massive underground river cave that lies beyond the mysterious pipe entrance. With new challenges ahead, we navigate the dark and winding passages ...

Often lauded as one of the best-kept secrets on the Yucatan Peninsula, Río Secreto (or Secret River) is an underground river and collection of caves. The bright turquoise water contrasts with the ...

The underground river that flows into Pantai Baron in Gunungkidul, Yogyakarta, overflowed due to the flood that occurred on ...

The archaeological excavation, which began in late January 2025, focused on the cave's entrance area, where researchers explored sections along Italy's only navigable underground river.