4th most dangerous US swimming hole, Jacob's Well in Texas, has caused at least 8 diving-related deaths.

4th most dangerous US swimming hole, Jacob's Well in Texas, attracts visitors with clear water but has resulted in at least 8 deaths due to diving attempts into its intricate cave system. Despite being mapped by experts, non-experts are advised against diving. Drought and heavy water usage are causing concerns about the aquifer's health, prompting officials to seek solutions for preserving the site.