Key Largo, the northernmost of the Florida Keys, is renowned for its pristine natural beauty and vibrant marine life. As part of the Florida Keys archipelago, Key Largo is a gateway to the spectacular underwater world of the John Pennekamp Coral Reef State Park, the first underwater park in the U.S. Here, visitors can explore vibrant coral reefs through snorkeling and scuba diving, or take a glass-bottom boat tour to marvel at the colorful marine ecosystems without getting wet.

The largest island in the Bay of Naples, it is known as the 'Emerald Isle' because of its lush green landscape.

Monteverde, located in the Tilarán Mountains of northwestern Costa Rica, is known for its cloud forests, winding trails, and biodiversity that has drawn researchers and travelers for decades. The area was settled in the 1950s by Quakers from the United States who were looking for a peaceful place to raise dairy cattle. They also played a major role in preserving the local ecosystem, helping to establish the Monteverde Cloud Forest Reserve in 1972.

Sukhothai, located in north-central Thailand, was once the capital of the first independent Thai kingdom in the 13th century. Today, it’s best known for the Sukhothai Historical Park, a UNESCO World Heritage Site filled with stone temples, lotus-filled moats, and ancient Buddha statues. The park spans over 70 square kilometers and features more than 190 ruins.

Set on the Adriatic Sea, Zadar, Croatia, is a major Dalmatia historical center and a tourism magnet. Walk ancient streets, see Roman ruins and enjoy white-sand beaches.