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.

Quintana Roo, nestled on the Caribbean coast of Mexico’s Yucatán Peninsula, is a paradise that seamlessly blends ancient history with modern luxury. The state is perhaps best known for its glittering beaches and turquoise waters, epitomized by destinations like Cancún and Playa del Carmen.

Cienfuegos, capital of Cienfuegos Province, is a city on the southern coast of Cuba. It is located about 160 miles from Havana and has a population of 150,000. The city is dubbed La Perla del Sur (Pearl of the South). Cienfuegos literally translates to "one hundred fires"—cien meaning "one hundred", fuegos meaning "fires".

Santander, the capital of Spain’s Cantabria region, sits along the Bay of Biscay and offers travelers a mix of coastline, culture, and history shaped by centuries of maritime life. Once a bustling port for Castilian exports, Santander saw its golden age in the 19th century when Spanish royalty turned it into a summer retreat. The legacy of that era remains visible at the Palacio de la Magdalena, perched on a peninsula with views of the sea and home to royal stables, a mini zoo, and guided tours.

Bulgaria is a republic in southeastern Europe. The capital and largest city is Sofiya. Bulgarian culture has been influenced successively by Byzantine, Greek, Russian, and Western cultures.