1. Fort Adams State Park is located in Newport, Rhode Island. It is situated on a 433-acre site at the entrance to Narragansett Bay and offers stunning views of Newport Harbor and the surrounding coastline. The park is most well-known for its historic fort, Fort Adams, which was built in the mid-1800s to protect the bay from naval attacks.

Fort Adams is the largest coastal fortification in the United States. It was designed to be impenetrable and has never been captured in battle. The fort is built in the shape of a star and features elaborate defensive walls, tunnels, and underground barracks. Today, visitors can take guided tours of the fort to learn about its history and explore its tunnels and gun emplacements. The park also hosts various events and festivals, including the Newport Jazz Festival and the Newport Folk Festival.

2. The park is open year-round, from 9:00 am to 4:00 pm daily. The phone number for Fort Adams State Park is (401) 847-2400.

3. Admission to the park is free, but there is a fee for guided tours of Fort Adams. The current cost for tours is $15 for adults, $10 for seniors (65+) and military, $8 for children (6-12), and free for children under 6. There is ample parking available at the park, and it is also accessible by public transportation. The Rhode Island Public Transit Authority (RIPTA) operates a bus service that stops near the park entrance.