In case you are a frequent traveler and like vacationing with your family or friends, you sure are supposed to know about the place you are about to travel. Here is a collection of articles which will help you find helpful information like modes of travel, best season to visit, etc about these places.
10 Massive Holes In The Earth's Crust
Where: Edwards County, Texas

The Devil’s Sinkhole is 350 ft deep and is home to millions of Mexican free-tailed bats. It’s a scary sight when millions of bats fly from the entrance to the sinkhole.