Born into slavery, Frederick Douglass went on to become the most influential abolitionist of his day. In 1877, with years of public service behind him, Douglass settled into this home in the Washington, DC, area of Anacostia. Douglass lived in the hilltop home, which he called Cedar Hill, until his death in 1895.

This house has been standing longer than America's been a country. Built in 1765, this 3-story home was constructed in several phases during the 18th century. Today, the home, which belonged for a time to an upper-middle-class family, endures in Washington, DC’s Georgetown neighborhood as the oldest unchanged building in the nation’s capital.

The president of the United States lives in a national park. Every president since John Adams has called the White House home. The 6-story, 132-room home, in the style of an Irish country manor, is part of the 18-acre grounds we know as President’s Park. Want to tour the White House? Make your request to your member of Congress 6 months in advance.

Five days after the Civil War ended, Abraham Lincoln arrived at Ford’s Theatre in Washington, DC, to see an evening performance of a popular play. In the third act, John Wilkes Booth entered the president’s box and shot him in the back of the head. Today, see the restored theatre -- and hear a recounting of that fateful night -- by a National Park Service ranger.

America’s most famous nurse lived here. The Clara Barton House in Glen Echo, MD, is where American humanitarian and Red Cross founder Clara Barton lived the last 15 years of her life. The large wood-frame house sits on 9 acres, and includes more than 35 rooms; it also served as the early headquarters of the American Red Cross.

Pay a visit to Dumbarton House, a Federal-style house in Washington, DC’s Georgetown neighborhood. The home, which was completed around 1800, is part of the Star-Spangled Banner National Historic Trail. The 290-mile route connects key sites and players in the Chesapeake Campaign of the War of 1812, including forts, battlefields and nature preserves.

As the name implies, Baltimore National Heritage Area is rich in history. Encompassing the Baltimore area, NHA attractions include the star-shaped Fort McHenry (pictured here), best-known for its role in the War of 1812, as well as Baltimore’s oldest neighborhoods such as Federal Hill, Fell’s Point and Mount Vernon (to the north of downtown Baltimore).

Discover nature in the heart of the city. Encompassing 700 acres, Kenilworth Park and Aquatic Gardens is located in the northeastern corner of Washington, DC, and the Maryland state border. Its position by the Anacostia River provides fertile ground for a variety of flora and fauna, as well as ponds topped with water lilies and lotus flowers. The park also contains DC's only remaining tidal marsh.

For 7 generations, the Ridgley family called this Georgian mansion home. Today, visitors can tour the 62-acre estate, located north of Baltimore, to see one of the finest examples of Georgian architecture in America. Equally captivating is a tour of the slave quarters; Hampton was one of Maryland’s largest slave-holding estates.

The town of Harpers Ferry is located at the intersection of the Shenandoah and Potomac rivers. But what really put the town on the map was John Brown’s raid: In 1859, the fervent abolitionist led a group of 21 men in a raid upon a weapons arsenal. See where the 36-hour raid began and ended, with Brown’s capture at the armory fire engine house.

The bloodiest 1-day battle in US history happened in Sharpsburg, MD, in 1862 when Union forces began a 12-hour artillery bombardment of Confederate positions. For a time, a small number of Confederate soldiers held their ground on this bridge, far past the predictions of Union General Ambrose Burnside (for whom this bridge would later be named).

For nearly 100 years, the Chesapeake and Ohio Canal carried resources such as coal and wood to communities along the Potomac River – including Georgetown in Washington, DC. Today, enjoy a canal boat ride. Also hike, camp, kayak, bicycle and canoe in the surrounding national historical park, which spans nearly 185 miles.

The DC area isn’t exactly known for recreational driving; the GW Parkway is the exception. From north to south (and vice versa), the parkway offers a scenic, nearly 40-mile drive alongside the nation’s capital. Enjoy the view of woods and forests, the same land that George Washington would have traveled on horseback.