4Kauai, Hawaii, USA
Kauai, often called the “Garden Isle,” is the oldest of the Hawaiian Islands and a place of unspoiled natural beauty. Its lush rainforests, dramatic cliffs, and secluded beaches offer a serene escape for couples. Hike through Waimea Canyon, take a helicopter tour of the Na Pali Coast, or simply relax on one of Kauai’s pristine beaches.