Synchronous Fireflies: Where a Forest Blinks in Unison
Most fireflies flash on their own schedule, and a summer field looks like static. In a handful of places, thousands […]
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Waterfalls You Can Walk Behind: 8 Curtains With a Path Underneath
A waterfall you can stand behind is a different experience from one you photograph across a valley. The sound changes,
Dark Sky Parks: Where the Milky Way Still Shows Up
Most people alive today have never seen the Milky Way. Light pollution has erased it from the sky over the
Salt Flats Worth the Detour: Bonneville, Badwater and 6 More
A salt flat is what is left when a lake evaporates and never comes back, at least not for long.
Ice Caves You Can Actually Walk Into: Mendenhall, Big Four and 6 More
An ice cave is not a cave carved into rock. It is a tunnel carved into a glacier by meltwater,
Where to See Bioluminescence: 8 Places the Water Glows at Night
Bioluminescent water looks fake in photographs and better than the photographs in person. Drag a paddle through it and the
Slot Canyons in Arizona and Utah: Where to Go and How Not to Die There
A slot canyon is a corridor carved into sandstone by water, sometimes wide enough for two people, sometimes narrow enough
9 Natural Hot Springs in Colorado Worth the Drive
Colorado has more soakable hot springs than any state you can drive across in a day. Some sit beside a
La Jolla tide pools: the four best spots and how to time them
La Jolla has the most accessible tide pools in San Diego and the most crowded, which are the same fact
Cliff jumping in Hawaii: the spots worth doing and the ones to avoid
Hawaii has some of the most photographed cliff jumps in the world and some of the most dangerous water in