My sims worldly travels are:
PACIFIC Sulani Island & Greek/Italian Tartosa Island
EUROPEAN Windenburg, Henford, Brindleton Bay, Glimmerbrook, Forgotten Hollow & Moonwood Mill
NORTH AMERICAN Copperdale, Sequoia, Chestnut Ridge, DS Valley & Granite Falls(Camping)
ASIAN San Myschino, Mt. Komorebi & Tomarang
SOUTH AMERICAN Oasis Springs, Ciudad & Selvadorada(Adventure)
OTHERWORLDLY Strangerville & Sixam(Alien)
TIME TRAVEL Ancient Times, Medieval Times, Georgian/Victorian Age, 20th Century & Futuristic 2525
(FYI: I play vanilla & I'm never bored with my Sims 4)