Millions of free-tailed bats descend upon Bracken Cave, creating the largest bat colony on Earth.
The rolling plains of the Texas panhandle belong to more than cattle and cowboys.
The border swamp between Texas and Louisiana boasts an infamous history and has wild creatures.
Life finds a way between the hottest desert and the tallest peak in a tale of two extremes.
The Texas border hides Big Bend, a desert Eden where the Rio Grande meets mountains.