USA Fort Revere Park, Hull MA, USA

An old fort with five exposed batteries and a bunker, most interconnected. Very easy to get to with some parking onsite. If you go there at night (the park is open), avoid the police round at sundown that throws everyone out. Once they're gone, they don't come back unless somebody is noisy. Alternatively, you can officially request access, but it takes time. Great spot for night photography and light painting.

On top of the wall, above the batteries, there is a good panoramic view of Hull and the harbor. If shooting at night, wear hiking boots and watch where you are going, the ground is uneven.

Drive up and park right there, walk down the stairs. 42.304680, -70.903387