Glass bow shot in a luxury resort in Greece.

Spetses, located just outside Athens, is a great place for a weekend getaway. While you're on the island, you can get around by horse-drawn carriage, bicycle or on foot. You can stroll through the island's Old Havana neighborhood, tour the shipyards, visit the Bubulina Museum, and wander the secluded beaches. The island is also packed with impressive homes, luxury stores and restaurants.

Belgrade, Serbia

Many interior scenes were shot in Belgrade, Serbia, including the interiors of the Glass Onion atrium and anything set in New York or the Northeast. "However, some of the scenes we shot on location were shot in Connecticut and New York in the fall, and all of the scenes' 'inside were made in Serbia,' Heinrichs told

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As the capital of Serbia, Belgrade is certainly worth a visit, especially for history buffs who want to visit the iconic Beogradska Tvrђava fortress, located at the intersection of the Danube and Sava rivers. There is also plenty of shopping, museums, architecture, nightlife and parks for lovers.