Encompassing Pacific island paradises, ancient and modern wonders of Asia and the marvels of Arabia, the epic voyage will conclude in May in the eternal city of Rome. (luxurytravelmagazine.com)
This year, the destinations range from ancient ruins in South America to modern wonders in Asia, stunning churches in Italy to town plazas in Spain. (businessinsider.com)
From Bilbao's Guggenheim to Valencia's City of Arts and Sciences, Spain also boasts its fair share of more modern wonders. (luxuryretreats.com)