Glacier Bay National Park is a huge, wild and pristine expanse of the Alaskan outdoors and one of the few places on Earth to see massive tidal glaciers on the move. At over three million acres, Glacier Bay is big and most visitors see this natural treasure from the deck of a cruise ship. But there's another world to discover inside the park once you step on land. Temperate rainforests, incredible wildlife and the scenic charm of coastal-Alaska can only be experienced on foot. The Glacier Bay Lodge is the only place to stay inside the park's expansive boundaries and the perfect place to begin a hike into the dense woodlands of Glacier Bay.

Greg and the crew embark on the first ever Motion Fan Hike! Ten fans join the Motion crew as they make the four-day hike from Mammoth Lakes, California to Yosemite National Park along the historic John Muir Trail. Freezing cold temps, snow, 70 mph winds and a helicopter rescue, set the stage for one of the most memorable Motion episodes ever filmed.

Kings Canyon National Park isn't as well known as its cousin-canyon to the north -- Yosemite -- but it is the deepest canyon in America and a great way to experience much of the same beauty without the crowds. Greg shows you how easy it is to hit some great hikes, see the big trees and waterfalls of Kings Canyon National Park.

Greg explores the Hawaiian island of Lana'i. Home to only one small town and the exclusive Four Seasons Resort, Lana'i is truly a private island experience like none other!

The Big Island of Hawaii is known as the "adventure island" and for good reason. From the lava flows of the Kilauea volcano to the lofty summit of Mauna Kea, the Big Island is covered with incredible places to explore. One of the most beautiful parts of Hawaii is often overlooked by tourists seeking extreme landscapes -- The Hamakua Coast. This is the north shore of the Big Island and his home to an amazing tropical jungle, rugged shoreline and hidden valleys ready to be discovered. This region, between Hilo to the south and Waimea to the north is a lush paradise covered with a dense rainforest, towering waterfalls and endless trails. Greg reveals this unforgettable part of the Big Island and shows you how easy it is to plan your own Hawaiian island adventure.

Acadia National Park on Maine's Mount Desert Island is covered with a spectacular hardwood forest and its rugged coast line is filled with wildlife.

Millions of people visit Yosemite National Park in California each year but most drive right past an amazing place to hike, escape the crowds and explore -- Bass Lake. In addition to being an incredible destination on the way to Yosemite, its also Greg Aiello's hometown. Greg and his trusty Border Collie Dia take you along on some of their favorite local hikes and show you how to enjoy Bass Lake after the boats and busy crowds leave after summer. Breathtaking fall colors paint the central Sierra Nevada Mountains into the perfect backdrop as Greg highlights 3 easy, fun and beautiful hikes in his own backyard. Then, Motion showcases a great new way to capture all your outdoor fun in stunning high definition with the GoPro Hero camera. Greg puts this wearable HD camera on as he climbs Mono Rock and even Dia takes the camera for a spin!

The John Muir Trail is well over 200 miles and twists across the roof of the mighty Sierra Nevada Mountains of California. From its northern terminus in Yosemite National Park to the summit of Mt. Whitney in the south, the John Muir Trail crosses six passes over 11,000 feet and usually takes three weeks to complete. The trail was named to honor the great naturalist and 'father' of the national park system in America, John Muir. Muir is best know for helping to establish Yosemite as a national park and for founding the Sierra Club, but he spend tireless hours in the backcountry of the High Sierra. A through-hike of the complete John Muir Trail isn't for everyone and after guiding/hiking this amazing trail over the last 10 years, Greg shows you his favorite section of the John Muir Trail. This is the same route featured in the 'Fan Hike' episode.

The Sierra Nevada Mountains in California are pounded every winter by strong Pacific storms. Once the skies clear, this deep snow is the perfect place for winter-time exploration and fun. Greg shows you how a ski resort, like Yosemite's Badger Pass, can be a great way to access the backcountry. Greg Aiello uses a revolutionary new snowboard that transforms into cross-country skis and checks out how the next generation of snow shoes is opening up this sport to a whole new crowd. And, you won't believe where today's snowmobiles can go. Modern advances in these amazing machines are pushing this sport into a world you have to see to believe.

Bryce Canyon National Park is another one of the 'grand slam' outdoor destinations southern Utah has to offer. From its stunning red rock amphitheater and mystic hoodoo towers to endless trails that lead into some of the most remote parts of the park, Bryce Canyon is another Motion "Must Do." But there's another side of Bryce Canyon beyond the popular and easy-to-reach overlooks that circle the rim. A hike into the hoodoos will give you a totally different kind of Bryce Canyon experience and Greg discovers a trail just outside the park that leads to a big surprise the Motion-crew didn't see coming.

In a state with so many natural wonders, Utah is an outdoor paradise. With headlining National Parks, like Bryce Canyon, Arches and Zion, Capitol Reef National Park is often overlooked or barely even known. In most of the popular parks, there's always a way to escape busy summertime crowds, but when you visit Capitol Reef in winter, the entire park is off the beaten path.

Death Valley National Park in California's Mojave Desert is one of the hottest, driest and most extreme landscapes on earth, a place where barren salt flats stretch for miles and scorching dunes form below rugged peaks. If you time it right and miss the summer heat, the wonders of this lonely desert come to life in a way you have to see to believe.

If you're ready for a tropical vacation in the sun and sand, you don't need to travel half-a-world-away to get there. Biscayne Bay National Park is just minutes from downtown Miami but feels like a million miles away. Learn how to enjoy this amazing national park.

Greg explores one of America's top scenic drives between two of Utah's best national parks.

If you've ever wondered what California looked like 1,000 years ago, a trip to Carrizo Plain National Monument will take you back in time. About 250,000 acres are protected at the national monument, preserving California's largest, native remaining grasslands. From amazing wildlife to ancient signs of native people dating back 2000 years B.C., Carrizo Plain is a land frozen in time and a look into California's past that is now long gone.

It's one of the hottest, driest, places in the world and over 90 percent of this national park is designated wilderness. With a great network of backcountry roads and a local jeep rental company, we get off the beaten path to discover Death Valley's hidden secrets. From the mysterious moving rocks to long forgotten ghost towns and a hike around the bizarre Ubehebe Crater, there are endless possibilities to explore this extreme landscape well beyond where the pavement ends.

Every year, nearly five million people visit Grand Canyon National Park in Arizona but only a small percentage of the park's visitors ever see the remote North Rim. Greg explores this diverse and stunning part of the Grand Canyon few people ever see. From its lush pine forests to breathtaking views, the North Rim gives visitors to the Grand Canyon an unforgettable look at the forces of nature on a massive scale.

The bright lights and night life of Las Vegas draws millions of visitors to Nevada every year but just outside of Sin City you'll truly find God's country in America's largest man-made lake, Lake Mead. Greg shows you how to explore this pristine lake with the help of a large, houseboat base camp and a smaller, faster boat to access the rugged shores of this enormous reservoir.

Alaska is a wide open, wild frontier. But right in the middle of it's incredible Kenai Fjords National Park, you'll find a totally unique lodge that takes the definition of an Alaskan vacation to a whole new level.

Alaska's Kenai Peninsula is as rugged and beautiful as it gets. But you don't have to be an extreme adventurer to enjoy the southern part of the Kenai Peninsula and Kenai Fjords National Park. Kenai Fjorids National Park is one of the best places on earth to see active glaciers at work. Greg explores one of the easiest to reach glaciers in the world for a close-up look at this ancient ice.

Lake Superior is the largest fresh water lake in the world and it's scenic northern shores are the perfect place to unwind, escape and explore. Greg discovers a section of Lake Superior's shoreline between Two Harbors, Minnesota and the historic Split Rock Lighthouse.

With over 20 individual islands, the Apostle Islands recreation area on Lake Superior is a paradise for outdoor enthusiasts. With miles of both mainland and island hiking trails, sunken wrecks to explore and some of the best paddling in America, the Apostle Islands should be on everyone's list.

Greg leads a father and daughter from California into the wilds of Montana's Glacier National Park for their first backpacking experience. Their destination was the totally unique Sperry Chalet built high in a remote section of the Rocky Mountains.

Glacier National Park is considered the crown jewel of the entire park system. With easy access to incredible, alpine landscapes, Glacier National Park is outdoor beauty on an epic scale. But getting away from the crowds and popular tourist hot-spots is the best way to experience the true nature of this park and its easier than you might think.