The Columbia River Gorge is home to waterfalls, sweet summer fruit and a volcano, all east of Portland, Oregon. You can spend ...

After the boat tour, the caverns offer gemstone mining, in which children can prospect for fossils and gemstones. Visitors can also visit Indiana's largest sinkhole by hiking the half-mile Karst ...

Conquer Ampersand Mountain's challenging 5.2-mile trail for spectacular Adirondack views. Essential guide to this popular ...

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

Like the inverse of a butterfly flapping its wings in China, ice cores extracted in Greenland show the rise and fall of ...