Washington's Headquarters Museum is a must-visit point of interest in New Jersey, located within the Morristown National Historical Park. Here are some good reasons to visit:

1. Historical Significance: This museum was once the headquarters of George Washington during the Revolutionary War. Visitors can get a glimpse into the life of the Father of the Nation and learn about the various strategies and tactics he employed to fight for independence.

2. Architecture and Design: The museum is housed in an elegant Georgian-style mansion, which was built in the 1770s. The building's design and interiors have been well-preserved, giving visitors a chance to experience what life was like during the 18th century.

3. Exhibits and Artifacts: The museum features a range of exhibits and artifacts related to the Revolutionary War, including weapons, uniforms, paintings, and documents. Visitors can see firsthand some of the items that were used during the war and learn about their historical significance.

4. Guided Tours: The museum offers guided tours led by knowledgeable and friendly staff. These tours provide visitors with a more in-depth understanding of the history and context of the site.

5. Outdoor Activities: The museum is located within the Morristown National Historical Park, which offers a range of outdoor activities such as hiking, birdwatching, and picnicking.

Overall, Washington's Headquarters Museum is a unique and fascinating destination that offers visitors a chance to step back in time and learn about one of America's most important historical figures.