Wilderness & Resources

New seabed discovery rivals Great Barrier Reef

Mercury is contaminating the Grand Canyon's fish and wildlife

How to view a meteor shower

Spending hours staring at moss is more thrilling than you might think

From Acadia to Zion: How to shoot national parks

Mount Roraima: 'A remote island in the sky'

The surprising beauty of Alaska's tundra flowers

Exactly what are the ocean's tides?

Plastic balls are California's water-savers

How do you clean up a contaminated river?

Nigeria's shining city upon an ocean

Plan your perfect road trip to a U.S. national park