Yellowstone is a land of extreme diversity. Nowhere else will you find wolves, bison, and grizzlies living among the largest concentration of hot springs and geysers in the world. The park’s 2.2 million acres is an incongruous landscape of bubbling hot, lunar-like geothermal features, lush green rolling meadowlands, snow covered mountain peaks, colorful canyons, waterfalls, lakes and untamed rivers. It is a park so large, so complex and so fascinating it seems fitting that it owns the title as our world’s first national park! Travel Audios’ park approved audio tour will help you understand what you are seeing and smelling! It is not a mile-by-mile guide; it can be listened to anywhere. It features an impressive group of knowledgeable Park Ranger geologists, biologists and naturalists who explain the geological processes that created the landscape and why this area in Wyoming is such a geothermal hot spot. They’ll tell you about their studies and observations of the park’s wildlife and their experience with massive forest fires.

John Wesley Powell described the Grand Canyon as “the great unknown.” Today, as you peer into its chasm from almost any vantage point on the rim, it appears so enormous, so remote and severe, it seems that no one could ever know it. But the stunning views from the rim of Grand Canyon National Park are only the beginning of the story. This tour will tell you the rest!

Rocky Mountain National Park’s Trail Ridge Road, famous for being the highest continuously paved highway in the United States, is an invigorating 40-mile drive. It takes you up and over the Rocky Mountains, linking the towns of Estes Park and Grand Lake. It offers spectacular views from exhilarating heights and fresh high-mountain air.

The Overstory unfolds in concentric rings of interlocking fable that range from antebellum New York to the late 20th-century Timber Wars of the Pacific Northwest and beyond. An air force loadmaster in the Vietnam War is shot out of the sky, then saved by falling into a banyan. An artist inherits 100 years of photographic portraits, all of the same doomed American chestnut. A hard-partying undergraduate in the late 1980s electrocutes herself, dies, and is sent back into life by creatures of air and light.

When Conor Knighton set off to explore America's "best idea", he worried the whole thing could end up being his worst idea. A broken engagement and a broken heart had left him longing for a change of scenery, but the plan he'd cooked up in response had gone a bit overboard in that department: Over the course of a single year, Knighton would visit every national park in the country, from Acadia to Zion.

In Made in America, Bryson de-mythologizes his native land, explaining how a dusty hamlet with neither woods nor holly became Hollywood, how the Wild West wasn't won, why Americans say 'lootenant' and 'Toosday', how Americans were eating junk food long before the word itself was cooked up, as well as exposing the true origins of the G-string, the original $64,000 question, and Dr Kellogg of cornflakes fame.

The real stories behind the scenery of America’s national parks. For 12 years, Andrea Lankford lived in the biggest, most impressive national parks in the world, working a job she loved. She chaperoned baby sea turtles on their journey to sea. She pursued bad guys on her galloping patrol horse. She jumped into rescue helicopters bound for the heart of the Grand Canyon. She won arguments with bears. She slept with a few too many rattlesnakes. Hell yeah, it was the best job in the world! Fortunately, Andrea survived it.

When she was suddenly given the opportunity of a new life in rural Jutland, journalist and archetypal Londoner Helen Russell discovered a startling statistic: the happiest place on earth isn't Disneyland but Denmark, a land often thought of by foreigners as consisting entirely of long, dark winters, cured herring, Lego and pastries. What is the secret to their success? Are happy Danes born or made?

The “mountain men” were the hunters and trappers who fiercely strode the Rocky Mountains in the early to mid-1800s. They braved the elements in search of the skins of beavers and other wild animals, to sell or barter for goods. The lifestyle of the mountain men could be harsh, existing as they did among animals, and spending most of their days and nights living and camping out in the great unexplored wilds of the Rockies.

In less than a year, Neil Peart lost both his 19-year-old daughter, Selena, and his wife, Jackie. Faced with overwhelming sadness and isolated from the world in his home on the lake, Peart was left without direction. That lack of direction lead him on a 55,000 mile journey by motorcycle across much of North America, down through Mexico to Belize, and back again.

When Edmund Hillary first conquered Mt. Everest, Sherpa Tenzing Norgay was at his side. Indeed, for as long as Westerners have been climbing the Himalaya, Sherpas have been the unsung heroes in the background. In August 2008, when eleven climbers lost their lives on K2, the world’s most dangerous peak, two Sherpas survived. They had emerged from poverty and political turmoil to become two of the most skillful mountaineers on earth. Based on unprecedented access and interviews, Buried in the Sky reveals their astonishing story for the first time.

In Neither Here nor There Bill Bryson brings his unique brand of humour to bear on Europe as he shoulders his backpack, keeps a tight hold on his wallet, and journeys from Hammerfest, the northernmost town on the continent, to Istanbul on the cusp of Asia.

Where's the Next Shelter? is the true story of three travelers on the Appalachian Trail, a 2,000-mile hike that stretches from Georgia to Maine, told from the perspective of Gary Sizer, a seasoned backpacker and former marine who quickly finds himself humbled by the endeavor. If you long for the horizon or to sleep under the stars, then come along for the hike of a lifetime. All you have to do is take the first step.

Vagabonding is about taking time off from your normal life - from six weeks to four months to two years - to discover and experience the world on your own terms. Veteran shoestring traveler Rolf Potts shows how anyone armed with an independent spirit can achieve the dream of extended overseas travel.

For fans of The Lost City of Z, Walking the Amazon, and Turn Right at Machu Picchu comes naturalist and explorer Paul Rosolie’s extraordinary adventure in the uncharted tributaries of the Western Amazon - a tale of discovery that vividly captures the awe, beauty, and isolation of this endangered land and presents an impassioned call to save it.