Lewis and Clark first met Sacajawea and her French husband Toussaint Charbonneau in the Dakota Territory. The couple joined the expedition, acting as translators and guides.

The Horse Whisperer, shot in Montana and starring Robert Redford, tells the story of a troubled family, a troubled horse, and the horse whisperer who brings them together.

Scientists still don't entirely comprehend the 1.5 billion year history of the Grand Canyon; it's a story of erosion that has created one of the most breathtaking sites in America.

If you think Niagara Falls is breathtaking, wait until you experience Idaho's Shoshone Falls, the "Niagara of the West."

Originally home to the first NASA space station and post-WWII's Operation Paperclip, quaint Huntsville, Alabama is etched in history as 'Rocket City.'

The engineers working on 3 World Trade Center in New York are among the most daring around. Not only do they operate their machinery up to 1,000 feet above street level, they do it without a safety harness.

Charleston's history and residents are nothing if not colorful.

It's gorges are gorgeous! Locals call this geological beauty "Little Grand Canyon."

Situated at the confluence of the Potomac and Shenandoah rivers, Harpers Ferry is the site of legendary abolitionist John Brown's historic raid on the US armory in 1859.

Charleston's history and residents are nothing if not colorful.