April 28, 2016, 11:57 a.m. by Matt Hickman
Crater Lake's vertically floating tree stump has baffled for decades.
Boardwalk trails provide a special doorway to national parks
April 28, 2016, 6:50 a.m. by Catie Leary
What's more inviting than a planked walkway winding through a dense thicket of trees?
10 extraordinary places you should visit in the '5 Stans'
April 26, 2016, 6:50 a.m. by Catie Leary
Looking for an adventure that's off the beaten path and won't break the bank? Consider Central Asia.
Rare 'super bloom' blankets Death Valley in a carpet of wildflowers
April 13, 2016, 5:34 p.m. by Catie Leary
Due to favorable weather conditions tied to this year's El Nino pattern, 2016 is proving to be a banner year for Death Valley's wildflowers.
Water hole in Portugal looks like a gateway to a fantasy world
April 13, 2016, 3:09 a.m. by Bryan Nelson
Portugal's Covão do Conchos is a national treasure that looks like the mythical monster Charybdis come to life.
12 irreplaceable World Heritage Sites that are on the brink
April 11, 2016, 6:42 a.m. by Catie Leary
Did you know that nearly half of all natural World Heritage Sites are under threat from development?
Aerial views of fairy tale castles from around the world
April 6, 2016, 9:42 a.m. by Michael d'Estries
Looking for a little 'happy ever after?' Check out these lovingly restored ancient fortresses as captured by drones.
Could Nevis be the first carbon-neutral island in the world?
March 27, 2016, 11 a.m. by Starre Vartan
The small island nation is making an impressive renewables push to fight climate change.
What are hoodoos? The science behind these surreal formations
March 25, 2016, 6:50 a.m. by Catie Leary
Learn how hoodoos are formed and the best places to see them.
Sark, the world's first dark sky island, boasts more than the Milky Way
March 23, 2016, 6:50 a.m. by Catie Leary
A tiny island's commitment to responsible ecological stewardship has fueled a flurry of international interest in car-free, dark sky communities.