This new memorial is a sculpture commemorating the 185,000 African American soldiers who fought in the Civil War.

America's largest national burial ground with more than 600 acres of landscaped hills. Among the thousands of white headstones are the graves of President John F. Kennedy, Supreme Court Justice Thurgood Marshall and the Tomb of the Unknowns.

The "gateway" to Chinatown, this multi-colored structure contains seven thousand pieces of glazed tile, golden carved dragon panels and an engraved marble center panel with Chinese characters.

This memorial is dedicated in memory of President Abraham Lincoln. Lincoln is flanked by engraved readings of the Gettysburg Address.

This memorial is dedicated to slain law enforcement officers. Individuals honored include infamous Billy the Kid and officers killed on September 11, 2001.

This majestic obelisk is one of the tallest masonry structures in the world, dedicated in 1885 to the nation's first president, George Washington.

The site of the 1865 assassination of President Abraham Lincoln, the renovated museum tells the story of the assassination.

The world's most visited museum houses the Wright Brothers' 1903 Flyer, Lindbergh's Spirit of St. Louis, Apollo II and more.

The nation's first public aquarium has 70 tanks that house sea turtles, American alligators, sharks, piranha and 1,200 other specimens of marine life.

The "nation's file cabinet" houses the original Declaration of Independence, the Constitution and the Bill of Rights.

The National Zoo offers a collection of more than 3,000 exotic animals, birds and reptiles. "Amazonia" is a re-creation of the world's largest rain forest.

Known as the Castle, the oldest of the 15 Smithsonian museums in Washington house the crypt of founder James Smithson, scale models of Washington's monumental core and so much more.

The museum depicts the history of the 6 million Jews and others who suffered during the Nazi rule of Germany.

Featuring the largest collection of international espionage-related artifacts open to the public, the museum chronicles the history of spying throughout the ages and across the globe.

Home to the world's largest Shakespeare collection, the Folger is a major international center for scholarly research and a lively venue for exhibitions and the performing arts.

For nearly a hundred years, Union Station has been the gateway to the nation's capital. Every year, 29 million visitors enjoy shopping, entertainment and an international variety of food in this Beaux Arts transportation hub.