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 ...

Orange cones surrounded a sinkhole that slowed traffic on the busy Route 30 Bypass in Chester County, Pennsylvania, on Feb. 24, 2025. The hole was visible in the center median of the highway ...