This interactive map explores the territorial and population changes in the United States between 1790 and 1850. It also covers the beginning of the transportation revolution and the Native American land cessions and forced removals.

" North China includes the densely populated and intensively cultivated North China Plain, the loess-covered uplands of Shansi, northern Shensi, and eastern Kansu, and the sparsely populated, semiarid steppes of Inner Mongolia....

A map from 1898 of Mexico, Central America and the West Indies. The map includes an inset map of Cuba and the Isthmus of Nicaragua. "The surface of the Rocky Mountain highland in Mexico is quite similar to that of the great plateau...

A stylized relief map of Africa, showing the Sahara, major rivers and lakes, mountains, "wild country," and other features. The Sahara is labeled as "The Great Desert that No Man Could Cross." with pyramids and temples drawn along the...

A facsimile from a map by Samuel Champlain (1613) of the vicinity of Tadoussac at the confluence of the Seguenay and St. Lawrence Rivers, where he first visited on 3 June, 1608. The map is keyed to show (A) Round Mountain, (B) harbor,...

A map of territory claimed by Texas when admitted into the Union, 1845. The map is color-coded to show the frontiers of Texas with the United States and Mexico, the territory in the east covered under the old Spanish land grants, and the...

Rock Islands Southern Lagoon covers 100,200 ha and includes 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by coral reefs. The aesthetic beauty of...

Redwood National Park comprises a region of coastal mountains bordering the Pacific Ocean north of San Francisco. It is covered with a magnificent forest of coastal redwood trees, the tallest and most impressive trees in the world. The...

General Warren, born in Cold Spring, N. Y., January 8th, 1830, died in Newport, R. I., August 8th, 1882, was graduated from the United States Military Academy in 1850, and assigned to the Topographical Engineers as brevet second...