Visa fee hikes and delays hinder international artists from touring the United States / Esteemed private collection of Roman marbles is starting its North American tour / What are 'touch tours'? How designers are now engaging blind fashion lovers with their creations / Fantastic to see India becoming a hot tour stop for global artistes: Kunal Ganjawala / Biggest-ever Indigenous art show to tour North America / An artist's tour of America -- through its strip mall signs / Top tourist attraction hosts immersive art installation celebrating 900th anniversary / Touring art exhibition arrives in Marbella / The world's most beautiful ship is going on a world tour for the first time in 20 years / 10th Anniversary tour