American democracy was born in Philadelphia, and the Republic faced challenges at Valley Forge and Gettysburg. Pennsylvania played a pivotal role in United States history, but today its major cities are home to great arts institutions and important technological research. Beyond the cities, Pennsylvania’s countryside includes breathtaking wilderness areas, hidden architectural gems and charming Amish towns.
Sand strikers, also known as bobbit worms, are primitive-looking creatures that lack eyes, or even a brain. Despite this, they are savage predators who shoot out grapple-like hooks to reel in passing fish.