June
Art Basel - 6/18-6/21 - Basel, Switzerland - Art Basel, which has become the number one destination for art collectors, is also a place where billionaires spend millions on contemporary art. In 2014, a huge Andy Warhol self-portrait was sold there for around $34 million. For sports fanatics, go to Paris to attend Roland Garros, the French tennis open, while billionaires can also head to Bavaria in Germany to attend the G7 Summit .