A map of southern Virginia, North Carolina, South Carolina, and Georgia showing the scene of operations in the South during the American Revolutionary War from 1779-1781. The map shows the route of Greene's retreat from Cowpens to the...

Designed by William Robert Ware and Henry Van Brunt, this High Gothic hall was built in the 1870s as Harvard University's memorial to its fallen in the American Civil War. Its amenities include Annenberg Hall (a dining hall) and Sanders...

This Greek Revival house was built in 1844 as the home of Cambridge businessman Oliver Hastings (1791-1879). Although nearby resident Charles Sanders Peirce considered it "ugly", the building is recognized for its elegant curved bays and...

Instructions on a simple way to get started drawing in 3-D by drawing objects using an isometric grid.

This Web site provides an explanation for what oblique drawings are. Compares oblique drawings to isometric drawings.