In the early 1800s, Meriweather Lewis and William Clark charted the vast Louisiana Territory, providing the first maps and detailed documentation of its geography, plants, animals, and Indigenous populations.

Explore the chaos of the 1904 St. Louis Olympic marathon, where dehydration, deception, and determination collided in an unforgettable race.

Explore the chaos of the 1904 St. Louis Olympic marathon, where dehydration, deception, and determination collided in an unforgettable race.

Native American interpreter Sacagawea was the only woman on Lewis and Clark’s expedition into the West. She played a vital role, but was subsequently forgotten.

Tish Period, a singer from St. Louis tells CBC News about the moment TLC surprised her on stage at a local bar after they heard her covering Waterfalls.

Inside the Boeing factory in St. Louis and the U.S. Naval Air Station in Virginia where the fighters are based

Build-A-Bear's CEO gave Fortune an exclusive look at her day, which kicks off before sunrise.

WS View of saint louis art museum / St Louis, Missouri, United States

WSView of Mississippi river / St Louis, Missouri, United States

WS View of saint louis art museum / St Louis, Missouri, United States

WS View of saint louis art museum / St Louis, Missouri, United States

WS View of saint louis art museum / St Louis, Missouri, United States

WS View of saint louis art museum / St Louis, Missouri, United States

Students from around the world pit their robots against each other in the US FIRST Championship in St. Louis Robots and Teens compete in SuperBowl of Smart on April 30, 2011 in St. Louis, Missouri (Footage by Getty Images)

leaves a trail of wreckage at Lambert International Airport. St. Louis Tornado on April 22, 2011 in St. Louis, Missouri (Footage by Getty Images)

St Louis Downtown

Students from around the world pit their robots against each other in the US FIRST Championship in St. Louis Robots and Teens compete in SuperBowl of Smart on April 30, 2011 in St. Louis, Missouri (Footage by Getty Images)

MS View of fireworks at night / St Louis, Missouri, United States

WS View of St Louis Gateway Arch from Eads Bridge / St Louis, Missouri, United States

MS View of gateway arch / St Louis, Missouri, United States

WS PAN View of saint louis skyline / St Louis, Missouri, United States

WS View of St Louis Gateway Arch infront of river / St Louis, Missouri, United States

MS Reflections of fireworks in Mississippi / St Louis, Missouri, United States

WS View of St Louis Gateway Arch infront of Mississippi river / St Louis, Missouri, United States