GREAT SMOKY MOUNTAINS, N.C.-TENN.—Massive mountain uplift covered with magnificent forests.—Established for protection 1930;—617 square miles.
HAWAII: ISLANDS OF HAWAII AND MAUI.—Volcanic areas of great interest, including Kilauea, famous for frequent spectacular outbursts.—Established 1916;—245 square miles.
HOT SPRINGS, ARK.—Forty-seven hot springs reserved by the Federal Government in 1832 to prevent exploitation of waters.—Made national park in 1921;—1.58 square miles.
LASSEN VOLCANIC, CALIF.—Only recently active volcano in continental United States.—Established 1916;—163.32 square miles.
MAMMOTH CAVE, KY.—Interesting caverns, including spectacular onyx cave formation.—Established for protection 1936;—38.34 square miles.
MESA VERDE, COLO.—Most notable cliff dwellings in United States.—Established 1906;—80.21 square miles.
MOUNT McKINLEY, ALASKA.—Highest mountain in North America.—Established 1917;—3,030.46 square miles.
MOUNT RAINIER, WASH.—Largest accessible single-peak glacier system.—Established 1899;—377.78 square miles.
PLATT, OKLA.—Sulphur and other springs.—Established 1902;—1.33 square miles.
ROCKY MOUNTAIN, COLO.—Peaks from 11,000 to 14,255 feet in heart of Rockies.—Established 1915;—405.33 square miles.