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Adirondack Mountains
(Encyclopedia)Adirondack Mountains ădˌərŏnˈdăk [key], mountain mass, NE N.Y., between the St. Lawrence valley in the north and the Mohawk valley in the south; rising to 5,344 ft (1,629 m) at Mt. Marcy, the hi...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 drained by the ...Colorado tick fever
(Encyclopedia)Colorado tick fever or mountain tick fever, acute disease caused by infection with a double-stranded RNA virus (a Coltvirus) that is transmitted to humans by Rocky Mountain wood ticks (Dermacentor and...Chaudière Falls
(Encyclopedia)Chaudière Falls, in the Ottawa River in the heart of the city of Ottawa, Ont., Canada. The river is narrowed by rocky cliffs to a width of c.200 ft (60 m) and drops 50 ft (15 m) in a series of cascad...Skelligs
(Encyclopedia)Skelligs, rocky islands, off SW Republic of Ireland, in Co. Kerry, comprising Lemon Rock, Little Skellig, and Great Skellig. Climbing the rocks to the peaks of Great Skellig, also known as Skellig Mic...Turner Valley
(Encyclopedia)Turner Valley, village (1991 pop. 1,352), SW Alta., Canada, at the foot of the Rocky Mts., on the Sheep River, SW of Calgary. It is in the center of the Turner Valley oil and natural gas fields, opene...North America
(Encyclopedia) CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...Allegheny Plateau
(Encyclopedia)Allegheny Plateau, dissected plateau, western part of the Appalachian Mts., extending c.500 mi (800 km) SW from N Pa. to SW Va., rising to c.4,860 ft (1,480 m) at Spruce Knob, the highest peak in West...Oldman
(Encyclopedia)Oldman, river, c.250 mi (400 km) long, rising in the Rocky Mts., SW Alta., Canada, and flowing generally E past Lethbridge to join the Bow River W of Medicine Hat and form the South Saskatchewan River...Château d'If
(Encyclopedia)Château d'If shätōˌdēfˈ [key], castle built in 1524 on the small rocky isle of If, in the Mediterranean Sea off Marseilles, SE France. Long used as a state prison, it was made famous by Alexandr...Browse by Subject
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