Explore Euboea, Greece's second-largest island, connected to the mainland by a short bridge. Visit the medieval Venetian castle in Chalkida, known for the unique tidal phenomenon of Euripus Strait (changing direction every 6 hours). Relax in the natural hot springs of Edipsos, favored by ancient Romans and modern spa-goers. Discover the mysterious Drakospita ('dragon houses') of Styra, megalithic structures dating back to the 6th century BC.
Visit Krk, the largest island in the Adriatic Sea, known for its Roman ruins, medieval towns, and beautiful beaches. Explore the town of Krk with its Frankopan Castle and the Cathedral of the Assumption, the Biserujka Cave (a karst cave with impressive stalactites), and relax on Vela Plaลพa (a popular sandy beach with clear turquoise water).
Visit Kos, a Greek island in the Dodecanese with sandy beaches and ancient ruins. Explore the Asklepion (an ancient healing center and medical school), see the Castle of the Knights (14th-century fortress built by the Knights of St. John), stroll through Plaka Forest (a natural oasis with peacocks and springs), and relax on Paradise Beach (known for its golden sand and clear waters).
Visit remote California islands with sea caves, kelp forests, wildlife, and rugged coastlines.
Defend your island against colonizers
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