On-Line Jigsaw Puzzles

This puzzle has 48 pieces in classic puzzle piece shapes.  However, it can be adapted from 6 to 247 pieces with a variety of types of puzzle pieces. To do this, click on the shapes button and choose the type of shapes and number of pieces.

Museum of American History and the Federal Triangle in Washington, DC.
Source: photographer Carol Highsmith, US Library of Congress

August 10th was the first steam locomotive.