Zebulon Pike led an expedition that ascended the Arkansas River and crossed the Rocky Mountains. He was captured in Spanish territory and imprisoned in Mexico.
Zebulon Pike (1779–1813) was an American officer and explorer. Pike’s Peak in Colorado is named in his honor. He was sent to explore the southern portion of the Louisiana Purchase in 1806–1807, but he was captured by the Spanish and held briefly in 1807. He was killed in the War of 1812.