From the towering tip of the Empire State Building in New York City to the dips and dunes of California's Death Valley, the USA is a land of extremes. Don't miss the country's splendid cities and monuments—San Francisco's Golden Gate Bridge, Miami's sun-washed streets, New Orleans' Creole accents—or the expansive national parks that welcome visitors all across the country. Guided private and small-group tours will help you take in everything you most want to explore, from sea to shining sea. Head west from the Great Smoky Mountains to see the dramatic landscapes of Denali National Park; watch native grizzlies and eagles in Yellowstone; and climb to the stars up a mountain in Yosemite. Delight in a helicopter ride over the incomparable Grand Canyon. Head down the East Coast from Maine to Florida, with stops to tour Niagara Falls, visit the quaint colonial towns of New England, and check out the booming city of Nashville. Take a West Coast trip to soak up the laid-back vibes of San Francisco on a boat, walking, or bike tour; or explore funky desert communities and art in the Southwest. Finally, head out to Hawaii and Alaska for unbeatable hiking, biking, and great outdoor adventure tours, like an early-morning hike to a volcano or a cruise through Prince William Sound, and get your fill of these areas' stunning beauty.