The Washington Monument is the most prominent, as well as one of the older, attractions in Washington, D.C. It was built in honor of George Washington, who led the country to independence, and then became its first President. The Monument is shaped like an Egyptian obelisk, 555' 5/8" high, and averages 30 to 40 miles visibility in clear weather. It was finished on December 6, 1884.

The monument offers elevator rides to its top.

Located at the southern tip of Manhattan Island, Castle Clinton represents not only the growth of New York City, but the growth of a nation. First intended to keep out a British invasion in 1812, the Castle has transformed over the years to welcome theater goers, immigrants, sightseers and now millions of visitors to New York Harbor.

Castle Clinton offers visitors living history exhibits, general museum style exhibits, and a variety of events. The website offers a history of the location and an online field trip planner.

One of Theodore Roosevelt’s greatest legacies was his dedication to conservation. Today, this island stands as a fitting memorial to the outdoorsman, naturalist, and visionary who was our 26th President. The island is located in the middle of the Potomac River less than a mile away from downtown Washington, D.C., and offers visitors a one mile long nature trail and several square miles of beautiful forest.

The site offers a history of the island, information regarding other local attractions, and visitor information for the island. In order to contact the site via email, use the "contact us" link located on the left side of the webpage.

During the 17th and 18th centuries, hundreds of free and enslaved African Americans were buried in lower Manhattan. Over the ensuing decades, the ground was covered by development and a landfill. Today, the United States General Services Administration (GSA) manages the site. The national monument comprises a relatively small area of the original burial ground, which could possibly extend across Broadway to City Hall.

The site offers historical information about the site, information about the process by which it was designated a National Monument, and government reports regarding the site. The web site, which is linked to on the homepage of the website given here, has more relevant visitor information. In order to contact the National Monument via email, use the "contact us" link on the webpage.

"The Atlanta Preservation Center is the agency for coordination, knowledge, research and advocacy for preservation in the city." The center was founded in 1980, and since has worked with the government, business, and community leaders to preserve over 175 residential and commercial buildings, neighborhoods, and park spaces. Currently, the center is focused on preserving the historic structures on the Beltline, a 22-mile loop of public parks, trails, and transportation. In addition, the center offers regularly scheduled walking tours and popular classroom programs on architecture and community planning.

The site offers background information on the center, information regarding the walking tours and educational programs offered by the center, information on current projects, and an events calendar.

The Old Stone House, located in Washington DC's Rock Creek Park, is unique due to its history as a simple home built by common people. The home is one of DC's oldest standing structures, dating back to the 18th century, and commemorates the lives of ordinary Americans in the nation's capitol.

The house offers guided tours. The website offers visitor information and a history of the house.

Fort Dupont Park is one of the largest parks in Washington, DC, and is named for the Civil War earthworks of Fort Dupont, one of the "Fort Circle Parks" or old Washington, DC, Civil War defenses.

The park offers ranger-led tours and special events. The website offers visitor information and a brief history of the park. In order to contact the website via email, use the "contact us" link located on the left side of the webpage.