A really unique way to spend an evening in Austin is to head down to the Congress Avenue bridge around sundown. Here, the world's largest urban bat colony sleeps all day and swarms out at sunset. There are over 1.5 million bats living under the bridge, and each and every night, they leave to search out food.
You can park your car at the Austin American Statesman building on Congress Avenue after sundown for no charge, then you can either grab a seat on the grass or go up onto the bridge in order to watch the bats and take photos.
Usually, later in the summer, the bats come out a bit earlier, making them considerably easier to see. The pictures attached to this report do not show any bats, rather they show the pre-bat anticipation amongst the bat-fans in the audience.