Uncover the fascinating story of Austin's Congress Avenue Bridge, where architecture meets nature in spectacular fashion. Home to North America's largest urban bat colony, this historic landmark attracts visitors worldwide to witness the mesmerizing emergence of 1.5 million Mexican free-tailed bats. From its humble beginnings as a simple crossing to becoming a symbol of urban wildlife conservation, discover how this 100-year-old bridge became an unexpected natural wonder and cultural icon of Texas's capital city.