In size, materials, and human labor, the Great Wall of China is the largest construction project ever undertaken by man. Enough stone was used in the 1,700-year project to build an 8-foot wall girdling the globe at the ...Read More

France is the largest Western European country. Its area is slightly less than twice the size of Colorado.

No one can say just when Walt Disney began to think about undertaking his biggest project to date, Snow White and the Seven Dwarfs, but by the summer of 1934, his ideas were beginning to take concrete form. An exploratory ...Read More

The classic metal tokens that roam the streets of Atlantic City in the game Monopoly were not part of the original game. When Monopoly was first introduced, it didn't include any game pieces, only suggestions that players ...Read More

Old firehouses have circular staircases because, in the days when horses pulled fire engines and were stabled on the ground floor of fire houses, they figured out how to walk up straight staircases.

In the constellation Cygnus, there is a double star, one of whose components has such a high surface gravity that light cannot escape from it. It is Cygnus X-1, which many astronomers believe to be the first "black hole" ...Read More