Winter in Alaska has waterfalls frozen mid-cascade, ice caves so blue they look unreal, and lakes so clear you can skate ...

Adding to the uniqueness of the valley, the dunes are considered a relic of the ice age, formed when the grinding of the rocks ... in Alaska's final frontier. Ready to discover more hidden gems ...

Large crystals found in geodes and other rocks are relatively rare. Pink ChalcedonyA pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and ...