What is "excelsior springs"

Population (2000): 10847
Housing Units (2000): 4426
Land area (2000): 9.817018 sq. miles (25.425958 sq. km)
Water area (2000): 0.024389 sq. miles (0.063167 sq. km)
Total area (2000): 9.841407 sq. miles (25.489125 sq. km)
FIPS code: 23086
Located within: Missouri (MO), FIPS 29
Location: 39.341492 N, 94.230716 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: