An unfortunate lesson in hubris.

Respect the waters. (via KFDM/CNN)

Not so long ago, our entire existence was devoted to surviving harsh environments and deadly predators. In 2015, we like to pretend like we're past all of that with our fancy skyscrapers and computer phones, but as human beings, we will always be animals at the mercy of mother nature. Every year, you hear about people disregarding instructions at wildlife reserves or national parks and meeting a tragic end as a result. On Saturday, a Texas man was the latest example of this unfortunate trend.

Sources: CNN | KFDM | Getty