Despite being one of our national treasures, very little of the Colorado Rockies is protected by the National Park Service. Discover why the best way to explore Colorado’s mighty mountains is by visiting amazing state parks from State Forest State Park in the far north to Lincoln Park in the heart of Denver to the dinosaur graveyard at Garden Park Fossil Area.

Start your tour of some of the most breathtaking state parks in the United States with a look at the nation’s oldest state park: Niagara Falls in Upstate New York. Established in 1885, this state park is home to three majestic falls (American Falls, Bridal Veil Falls, and Horseshoe Falls) and a rich array of flora and fauna.

Get up close and personal with barrier island state parks in Georgia, South Carolina, and the Outer Banks of North Carolina. Discover the incredible variety of history, culture, and outdoor adventures waiting for you in spots like Reynolds Mansion State Park, Charles Towne Landing State Historic Site, and Jockey’s Ridge State Park.

Want a fascinating glimpse of quirky American history? Look no further than a journey through the state parks of the San Juan Islands. Tour this mosaic of islands and waterways, home to state parks that reflect the archipelago’s bucolic lifestyles, including Lime Kiln Point State Park and Matia Island Marine State Park.

Visit two awe-inspiring state parks in West Texas: first, Big Bend Ranch, located on the Rio Grande River and home to a vast backcountry you can only explore on unpaved desert roads, and second, Palo Duro Canyon, a 20-mile-wide canyon that offers the best horseback riding in the Texas Panhandle.

In recent years, the state parks in and around the Great Lakes have benefited from major restoration efforts, making them must-see places to visit. In this episode, explore Mackinac Island in Michigan, Indiana Dunes State Park near Chicago, South Bass Island State Park in Ohio’s Lake Erie Archipelago, and more.

See what is so special about Florida’s state park system and the archipelago in which they’re found. Here, dive into several state parks in the Florida Keys, including John Pennekamp State Park, Bahia Honda State Park, Curry Hammock State Park, and the San Pedro Underwater Archaeological Preserve State Park.

A dangerous rivalry between Iran and Saudi Arabia has plunged the Middle East into sectarian war. From revolution in Iran, reaction by Saudi Arabia, and wars in Afghanistan, Lebanon and Iraq, how religion and power politics drive perpetual conflict.

An Oscar-nominated portrait of an African-American family that dramatically captures their successes and failures as they struggle to overcome the devastating effects of poverty, welfare, and community violence. For four generations, the Collins family has depended on welfare and lived in Chicago’s Henry Horner Homes, one of the most dangerous housing projects in America. Through the powerful voices of three generations of African-American women,...

Up From Slavery is a powerful, compelling and haunting 7-part documentary series that examines the history of slavery in America, from the arrival of the first African slaves through Nat Turner's Rebellion to the Civil War and beyond. In 1860, as the American Experiment threatened to explode into a bloody civil war, there were as many as four hundred thousand slave-owners in the United States, and almost four million slaves. The nation was founded...