Yellowstone National Park

When President Grant made the declaration in 1871, Yellowstone became the first national park to be established not only in the U.S.A., but also in the world. It is an extraordinary place, with canyons,...

The Laurissilva: The Laurel Trees That Got Away

The Laurissilva Forest on Madeira is the largest in the world, home to many unique plant species. The primary threats here are population growth and increasing tourism. Goats and cattle that once roamed the forest, damaging soil,...

The Lost Sea

The Lost Sea is the largest underground lake in the United States. It lies deep within a cave system called Craighead Caverns, in the mountains of east Tennessee. The actual caverns have provided shelter...

10 Places to See North American Prairie

Three kinds of prairies once covered an estimated 140 million acres (57 million hectares) of America: tallgrass prairie to the east, dominated by so-called sod grasses (bluestem, Indian grass, switch grass); short-grass prairies closer...

The Amazon Rainforest-Paradise Lost?

Since  1970,  Scientists  Estimate,  As  Much  As  20%  Of  The AMAZON   BASIN ’ S   RAINFOREST may have disappeared, at the mercies of clear-cut logging and subsequent cattle ranching. It is said that...

Ha Ha Tonka

High on a bluff above the Lake of the Ozarks, the tall, white stone skeleton of a fire-ruined, 60-room mansion stands as a lonely reminder of an earlier age. Missouri's Ha Ha Tonka State...

Aransas National Wildlife Refuge

Rising sea levels at the Aransas National Wildlife Refuge threaten to drown out beaches where sea turtles nest and wetlands that provide critical habitat for many bird species. Altering rainfall patterns, due to climate...

Lake Chapala-The Incredible Shrinking Lake

Runaway development and upstream pollution have nearly destroyed Lake Chapala, which is an important wildlife habitat for native species and millions of migrating birds. Much  of  its  water  has  been  drained  over  the  past  3  decades  to  supply  Guadalajara, Mexico’s second-largest city,...

Daintree Rainforest

Befor the Daintree Rainforest was a protected area,several sections were sold to private landowners. Some landowners are concerned about conservation and appreciative of the rainforest’s environmental importance, others are lobbying for power lines, bridges, and...

The Columbia River Gorge

The Columbia River's enormous 80-mile-long gorge through the Cascade Mountains is one of the most dramatic destinations in the Pacific Northwest, so breathtaking that in 1986 Congress designated it the first of America's National...

Tasmania-God Save the Tasmanian Devil

Many unique species thrive in Tasmania, one of the world's most unusual ecosystems. However,  increasing  development,  including  logging,  mining,  and  other  industries, threaten many of the island’s most beautiful places. The clash between wilderness and development—including the inevitable loss of habitat—is only one of the...

Big Cypress National Preserve

Big Cypress National Preserve is a vast wetland that is heavily used for hiking, hunting, and other forms of outdoor recreation. Managing this sensitive ecosystem is a challenge that has led officials at various...