Hikers in New Zealand risk polluting the “clearest lake in the world” with a microscopic alga carried on their boots.

Seattle is straddled by some seriously epic outdoor offerings. With the Puget Sound and the Olympic Mountains to the west and ...

This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.

Grab your favorite Valentine and explore frozen waterfalls, icy lakes, and snow-capped peaks on these easy winter trails.

Okemo in Vermont has a roller coaster; Bretton Woods in New Hampshire has a year-round zipline; Mt. Van Hoevenberg in New York offers a brief season on its bobsled course. And when you’ve had quite ...

Some 80,000 young hatchery steelhead are exploring their new digs in a lake in Whitman County. The Washington Department of ...

You can take a quick ferry ride from this dreamland to Washington Island, where you will discover more treasures. It may be ...

Officials say Indonesian authorities have ordered the halting of development of a tourism project affiliated with U.S. President Donald Trump over water management and environment issues.

A frightening reality for the future of our black swans has emerged as wildlife groups rally to move young swans to wetter ...

A woman died and a man was left with injuries after the U.S. Coast Guard rescued the two boaters from a disabled and grounded 31-foot sailboat near the San Juan Islands, Washington.

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Explore the historic Maryland landmarks that shaped America's history; the rich heritage and significant contributions of ...