Everglades National Park has become a dumping ground for Burmese pythons. Watch the full episode online.

Herpetologist Shawn Heflick is carrying red water balloons because they make perfect targets for a striking snake. Check out the strike in slow motion!

A growing number of invasive Burmese pythons have taken up residence in the wetlands of Florida.

NATURE interviews Romulus Whitaker, the reptile expert and conservationist featured in "The Dragon Chronicles."

The crocodile has few natural predators, an armor of bony plates covering most of its body and strong jaws capable of crushing anything from bones to cast iron.

Conservationist Rom Whitaker searches for the last of the supersize crocodiles among the titans of the croc world: Nile crocodiles, saltwater crocodiles, and gharials.

The fringe-toed lizard's combed feet allow it to run through the desert at up to 20 miles per hour.

The black mamba is one of Africa's most dangerous and feared snakes. Watch the full episode now.

Thea and Clifton respond to a call from a maid who spotted a six-and-a-half-foot black mamba inside a guestroom at a resort they manage.

The black mamba is Africa’s deadliest snake. In Swaziland, snake handler Thea Litschka-Koen and her husband, Clifton, endeavor to change attitudes and save lives.