Pinnacles National Park Pin

Company

National Park Service

Price

$6.99

Source

Official Store

Just as its name implies, this is a place of pointy spires of rock—the eroded remains of a long-extinct volcano. These unique formations not only create a distinctive landscape but also make the park a mountain climber's playground. Then there are the talus caves. Unlike the subterranean spaces you'll find at Mammoth Cave, these are essentially empty spaces formed when huge rocks fell and became wedged in gorges. When you visit this park, you are seeing firsthand the results of various geological and volcanic changes. When you purchase this item, you're doing more than buying a memento…