Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Krabi, located on the southwest coast of Thailand, is known for its towering limestone cliffs, warm Andaman waters, and a coastline dotted with over 150 islands. One of its most iconic sites is Railay Beach, which is accessible only by boat due to the cliffs that cut it off from the mainland. Railay is famous among rock climbers for its natural limestone formations, some of which hang directly over the sea.

Ulm, Germany, a picturesque city on the banks of the Danube River, offers a rich tapestry of history and modern charm. Dominating its skyline is the Ulm Minster, home to the tallest church steeple in the world at 161.5 meters (530 feet). This Gothic masterpiece invites visitors to climb its 768 steps for a breathtaking panoramic view of the city and the surrounding countryside.

Capri, a jewel of the Tyrrhenian Sea, has long been a favorite retreat for emperors, artists, and writers. This enchanting island off Italy's Amalfi Coast captivates with its dramatic cliffs, turquoise waters, and timeless elegance. The most iconic sight on Capri is the Blue Grotto, a sea cave illuminated by a magical blue light created by sunlight passing through an underwater cavity.

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.