International Programs: Washington D.C.

"In this temple, as in the hearts of the people for whom he saved the Union, the memory of Abraham Lincoln is enshrined forever." Beneath these words, the 16th President of the United States-the Great Emancipator and preserver of the nation during the Civil War-sits immortalized in marble. As an enduring symbol of freedom, the Lincoln Memorial attracts anyone who seeks inspiration and hope.

Each morning as Mount Vernon opens to the public, there is a flag raising ceremony. Believe it or not, you can be the one to do the honors and hoist Old Glory. Contact the estate ahead of time to arrange this special honor.

If you just can't wait for your visit, check out the National Zoo's website, where there are links to dozens of webcams where you can watch the animals anytime -- day or night.

The National Postal Museum may not be at the top of every tourist's list, but this fascinating reposititory of everything postal is worth some time on your trip. The Pony Express, the doomed Hindenburg, historic stamps — all have a place in this fun museum.