I don't know of one still in existence, so I looked it up. It' has no locations on their map
https://www.ljsilvers.com/locations
and this in their rewards
They used to be fun, they were made to look like a seaside shanty, with the wood decks and piers and ropes. Inside they had nets and treasure chests and everything was dark wood made to look like a galley on a pirate ship and you could even get a pirate hat. Now they look like a school cafeteria.