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National Road

(Encyclopedia) National Road, U.S. highway built in the early 19th cent. At the time of its construction, the National Road was the most ambitious road-building project ever undertaken in the United…

Mesozoic era

(Encyclopedia) Mesozoic eraMesozoic eramĕzˌəzōˈĭk [key] [Gr.,=middle life], major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 65 to 225 million years ago.…

lily of the valley

(Encyclopedia) lily of the valley, common name for either of the two species of Convallaria, spring-blooming perennials of the family Liliaceae (lily family). C. majalis, the species usually in…

Catskill Mountains

(Encyclopedia) Catskill Mountains, dissected plateau of the Appalachian Mt. system, SE N.Y., W of the Hudson River. This glaciated region, wooded and rolling, with deep gorges and many waterfalls, is…

Sand to Snow National Monument

(Encyclopedia) Sand to Snow National Monument, 154,000 acres (62,000 hectares) in the San Bernadino Mountains, S Calif. It rises from the Sonoran Desert floor to Mount San Gorgonio (11,503 ft/3,506 m…

Fort Riley

(Encyclopedia) Fort Riley, U.S. military post, 5,760 acres (2,331 hectares), NE Kans., on the Kansas River; est. 1852 to protect travelers on the Santa Fe Trail from attack by Native Americans.…

fireball

(Encyclopedia) fireball, very bright meteor leaving a trail in the sky that can remain visible for several minutes; often a distinct sound, perhaps caused by very low frequency radio waves, is…

Fort Hall

(Encyclopedia) Fort Hall, trading post on the Snake River, near Pocatello, SE Idaho; est. 1834 by U.S. trader Nathaniel Wyeth. It was sold in 1836 to the Hudson's Bay Company, which occupied the post…

Gainesville

(Encyclopedia) Gainesville. 1 City (2020 pop. 141,085), seat of Alachua co., N central Fla.; inc. 1869. The Univ. of Florida is a major source of…

Broadway

(Encyclopedia) Broadway, famous thoroughfare in New York City. It extends from Bowling Green near the foot of Manhattan island N to 262d St. in the Bronx. Throughout its length Broadway is chiefly a…