The United States Exploring Expedition, led by Charles Wilkes from 1838 to 1842, was a significant naval venture that aimed to explore the Pacific Ocean and its surrounding regions. In 1840, the expedition reached the Antarctic Peninsula, where they identified the 'Termination Barrier,' now known as the Shackleton Ice Shelf. This exploration not only contributed to the scientific understanding of Antarctica but also laid the groundwork for future expeditions and research in polar regions, highlighting the importance of scientific inquiry in the age of exploration.

Charles Wilkes' United States Exploring Expedition in 1840 enriched American literary culture, including transcendentalist and adventure writing, drawing on reports for themes of national exploration and the natural sublime. Writers like Emerson and Thoreau found inspiration in the expedition's findings, shaping their views on nature and identity.