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Port Jackson
(Encyclopedia)Port Jackson or Sydney Harbour, inlet of the Pacific Ocean, 22 sq mi (57 sq km), 12 mi (19 km) long and 1.5 mi (2.4 km) wide at its mouth, New South Wales, Australia, forming Australia's finest harbor...Rainbow Bridge National Monument
(Encyclopedia)Rainbow Bridge National Monument, 160 acres (65 hectares), S Utah; est. 1910. Rainbow Bridge, the largest natural bridge in the world, is a symmetrical, pink, sandstone arch, 309 ft (94 m) high, 33 ft...Colonial architecture
(Encyclopedia)Colonial architecture: see American architecture. ...Jefferson National Expansion Memorial
(Encyclopedia)Jefferson National Expansion Memorial: see Gateway Arch National Park. ...Lafayette, Marie Joseph Paul Yves Roch Gilbert du Motier, marquis de
(Encyclopedia)Lafayette, or La Fayette, Marie Joseph Paul Yves Roch Gilbert du Motier, marquis de märēˈ zhôzĕfˈ pôl ēv rôk zhēlbĕrˈ dü môtyāˈ märkēˈ də läfāĕtˈ [key], 1757–1834, French gen...dam
(Encyclopedia)dam, barrier, commonly across a watercourse, to hold back water, often forming a reservoir or lake; dams are also sometimes used to control or contain rockslides, mudflows, and the like in regions whe...centering
(Encyclopedia)centering, the framework of wood or of wood and steel built to support a masonry arch or vault during its construction. The centering itself must be rigidly supported, either by posts from the ground ...Rialto Bridge
(Encyclopedia)Rialto Bridge rēälˈtō [key], Ital. Ponte di Rialto, bridge of Venice, NE Italy, over the Grand Canal, connecting Rialto and San Marco islands. Built between 1588 and 1591, it consists of a single ...Natural Bridge
(Encyclopedia)Natural Bridge, small village, Rockbridge co., W Va., in the Shenandoah valley; founded 1774. Nearby is the famous Natural Bridge over the gorge of Cedar Creek. It is a limestone arch 215 ft (66 m) hi...New River
(Encyclopedia)New River, c.320 mi (510 km) long, rising in the Blue Ridge, NW N.C. It flows NE through SW Virginia, then NW into West Virginia where it joins with the Gauley River to form the Kanawha River. It is u...Browse by Subject
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