Beginning in January 2004, the Lewis & Clark National Bicentennial Exhibition was set on display in St. Louis to commemorate this rather pivotal event in American history -- the first transcontinental journey across North America. This complementary online exhibition is designed to let people follow in the footsteps of the expedition, and in the words of the introduction, "to meet people different...

Over the past few years, coin collectors and the general public have been elated over the new state quarters, and now, the nickel is due to receive a similar makeover. The United States Mint officially announced this week that the back of the nickel (which currently features Monticello, the home of Thomas Jefferson) will soon be changed to feature images celebrating the 200th anniversary of the...