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Seven Wonders of the World

(Encyclopedia)Seven Wonders of the World, in ancient classifications, were the Great Pyramid of Khufu (see pyramid) or all the pyramids with or without the sphinx; the Hanging Gardens of Babylon, with or without th...

Lahontan, Lake

(Encyclopedia)Lahontan, Lake ləhŏnˈtən [key], extinct lake of W Nev. and NE Calif. It was formed by heavy precipitation caused by the Pleistocene glaciers and with Lake Bonneville (see under Bonneville Salt Fla...

Borobudur

(Encyclopedia)Borobudur or Boroboeder both: bōˌrōbo͝odo͞orˈ [key], ruins of one of the finest Buddhist monuments, in central Java, Indonesia. Built by the Sailendras of Sumatra, this magnificent shrine dates ...

Pachacamac

(Encyclopedia)Pachacamac päˌchäkämäkˈ [key], ruins of a walled Native American settlement, Peru, about 25 mi (40 km) SE of Lima in the Lurin Valley. This site, which contains a number of pyramids, was conside...

Cholula

(Encyclopedia)Cholula ᵺā rēˌvädävˈyä [key], city, Puebla state, E central Mexico. The site...

mausoleum

(Encyclopedia)mausoleum môsəlēˈəm [key], a sepulchral structure or tomb, especially one of some size and architectural pretension, so called from the sepulcher of that name at Halicarnassus, Asia Minor, erecte...

Teotihuacán

(Encyclopedia)Teotihuacán tāōtēwäkänˈ [key], ancient commercial and religious center in the central valley of Mexico, c.30 mi (48 km) NE of Mexico City. Once thought to be the great religious center of the T...

Truckee

(Encyclopedia)Truckee trŭkˈē [key], river, c.100 mi (160 km) long, rising in Lake Tahoe on the Calif.-Nev. line and flowing NE to Pyramid Lake, W Nev. Lake Tahoe Dam of the Newlands project is on the Truckee; Bo...

Saint Michael's Mount

(Encyclopedia)Saint Michael's Mount, pyramid-shaped rocky islet, 21 acres (8.5 hectares), Cornwall, SW England, in Mounts Bay; it rises to more than 200 ft (61 m). A natural causeway connects it at low tide with th...

quartz

(Encyclopedia)quartz, one of the commonest of all rock-forming minerals and one of the most important constituents of the earth's crust. Chemically, it is silicon dioxide, SiO2. It occurs in crystals of the hexagon...