Gibraltar packs a punch for independent cruisers. Start at Casemates Square...

https://www.herotraveler.com/abdullah-undefined1/story/why-gibraltar-is-one-of-the-best-cruise-ports-in-the-mediterranean

Gibraltar packs a punch for independent cruisers. Start at Casemates Square before heading up the Rock for those iconic views. Watch out for the cheeky Barbary macaques, then explore the historic Great Siege Tunnels