Hell’s Canyon-Turning Back the Wilderness Clock

Hell's Canyon national recreation area has been gradually reclaimed and returned to  wilderness  status  after  many  years  as  farmland  and  pasture.  But  environmental threats come in many forms. Today, Hell’s Canyon is under attack by noxious weeds such as...

Mammoth Cave-Kentucky’s Subterranean Supremo

Growing up in Indiana, I remember driving down back roads past ramshackle barns with fat yellow letters emblazoned on their roofs: See Mammoth Cave. It always beckoned to us kids like some kind of exotic Shangri-La, or maybe...

The Giant’s Causeway-Hero’s Footsteps in Black Rock

Often  called  the  eighth  wonder  of  the world, the Giant’s Causeway is a one-of-a-kind  natural  rock  formation  that  truly captures  the  imagination.  It  doesn’t  take much  effort  for  children  to  imagine  the striding  giant  who  purportedly  left  these immense...

Mirror Lake-A Cloudy Mirror for Nature’s Majesty

Every spring, the Tenaya Creek washes tons of silt and mud down the canyon and  into Mirror Lake, and in summer the lake dries up. Until the early 1970s, the National Park Service dredged the lake periodically to preserve it as a popular tourist attraction, but since...

Monument Valley – The Iconic Wild West Landscape

When  most  of  us  think  of  the  American West,  this  is  what  clicks  into  our  mental Viewmasters: A vast, flat sagebrush plain with  huge  sandstone  spires  thrusting  to the  sky  like  the  fingers  of ...

Six of the Best Parks in London

REGENT'S PARK This "people's park" is popular among locals for its expansive grassy areas, sporting facilities, playgrounds, boating lake and London Zoo, and connects with Primrose Hill, where rambles lead to panoramic views over the...

Iceland-World of Fire & Ice

With  More  Than  200  Active  Volcanoes, Iceland Is  One  Of  The  Most  Volcanically active countries in the world. In some areas, basaltic sandy beaches, which result from volcanic  eruption,  threaten  to  overrun  green  areas,  and...

Natural Bridge Caverns

The entrance to the Natural Bridge Caverns is a giant sinkhole which is spanned by the caverns' namesake—a 60-foot (18-meter) limestone bridge. A crawlway descends into .1 wonderland of huge chambers, massive limestone columns,...

Ujung Kulon National Park -It’s a Jungle

Ujung Kulon National Park is one of the last extensive areas of lowland rainforest in Java and the final refuge of the Java rhinoceros. Rhino poaching is still a serious threat to the small...

Big Cypress National Preserve

Florida's Big Cypress National Preserve is a wetland paradise encompassing an impressive 2,500 square miles (6,216 square kilometers) of rich sub-tropical habitat. It's commonly called a swamp, but this is far from true because...

iSimangaliso Wetlands Park

ISIMANGALISO WELANDS PARK, South Africa's first world heritage site, is a haven for many species of threatened and endangered plants and animals, although climate change threatens the fragile balance in the park’s five ecosystems....

Cypress Island Preserve

Dredging in some of the nearby bayous, plus flood control measures and stream alterations to improve navigation on the Mississippi River, have changed the natural water flow. Fragmentation of the woods and wetlands on...