Joshua Chesler

When Southern California (or other bat-heavy areas) sees waves of extreme heat, the second-largest order of mammals can be put at significant risk. But with a little community assistance, our nocturnal neighbors like this Yuma myotis can sleep safely during hot days in a comfortable bat box — which you can easily build and install yourself.

Mark the 60th anniversary of La Brea Tar Pits' designation as a National Natural Landmark with some vintage photography.