Winter is finally over, and you know what that means: It's wildflower season! And that, of course, also means clogged trails and cars lined up down the road at popular sun-soaked spots like Dog ...

Across the United States, a glorious array of waterfalls awaits nature lovers. And what better time to admire them than now, when snowmelt and spring rains add to the drama? By Elaine Glusac As fall ...

The brisk spring breeze hit our faces as my husband and I hopped across the ancient lava flow edging Lake Superior, which was easy to spot through barely budding trees. It was a quiet midweek morning ...

The breathtaking waters that cascade off of steep cliffs may be self-made productions. It was long thought that waterfalls needed an outside force to form — such as an earthquake, landslide or changes ...