Mysterious Natural Wonders

Rare geologic wonders—like delicate arch—draw gawking tourists from around the world. If you ask a park ranger, “How’d that happen?” you’re likely to hear all about millions of years. But there’s something important he won’t tell you: It didn’t take millions of years.

• Arches of Utah
• The Devils Marbles
• Giant’s Causeway
• Hoodoos of Bryce Canyon
• Cotton Castle