Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what would become Florida. That sinkhole in the state’s wooded Big Bend ...

Divers in Florida’s Steinhatchee River stumbled upon hundreds of pristine fossils from an obscure Ice Age period, including giant armadillos, ancient horses and possibly a new species of tapir.