San Sebastián, or Donostia, is a gem nestled on Spain's northern coast, renowned for its stunning beaches, world-class cuisine, and vibrant cultural scene. With its picturesque bay, La Concha, often ranked among the world's most beautiful city beaches, this Basque city offers a perfect blend of natural beauty and urban sophistication.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

Nestled in the heart of Tuscany, Volterra offers a captivating journey through time with its well-preserved medieval charm and Etruscan roots. The city's history is evident as you wander through its narrow, winding streets, flanked by ancient walls that date back to the Etruscan period. The Roman Theater, built in the 1st century AD, is a testament to the city's significance in antiquity and provides an evocative glimpse into Volterra’s storied past.

The Great Barrier Reef stretches along Australia’s northeast coast, forming the largest coral reef system on Earth and one of the planet’s most complex living ecosystems.

Nestled in the wine-growing region of South Moravia, Valtice, Czech Republic, is a charming town known for its rich history and stunning architecture. The centerpiece of Valtice is the majestic Valtice Castle, a UNESCO World Heritage site that showcases an impressive Baroque façade and beautifully landscaped gardens.