Sri Lanka is an island republic in the Indian Ocean off the southeastern coast of India. Sri Lanka is separated from India by the Palk Strait and Gulf of Mannar. The capital of Sri Lanka is Sri Jayavardhanapura (Kotte); and Colombo is the largest city. Sri Lanka's coast is indented by lagoons and inlets.

Madeira, an archipelago off the coast of Portugal, is often referred to as the “Island of Eternal Spring” due to its mild climate and lush landscapes. Funchal, its vibrant capital, is a perfect blend of natural beauty and rich history. Visitors can explore the cobblestone streets of the old town, marvel at the Gothic-style Sé Cathedral, and stroll through the colorful Mercado dos Lavradores, where local farmers sell fresh produce, exotic flowers, and the island’s famous wine.

Dakar, (dä-kär´) largest city (1988 pop. 1,447,642) and capital of Senegal, on Cape Verde Peninsula, on the Atlantic Ocean. It is an economic center for a market-gardening region, and its expanding industries produce food products, fertilizers, cement, and textiles.

Ol Doinyo Lengai, often called the "Mountain of God," is an active volcano located in northern Tanzania and is a must-visit for adventurous travelers. Towering over the Great Rift Valley, this majestic peak is unique due to its lava composition. Unlike most volcanoes that produce molten lava, Ol Doinyo Lengai emits natrocarbonatite lava, which is unusually cool and flows like water. This rare phenomenon makes it one of the most intriguing volcanic landscapes on Earth.

Known as the "Garden Island," Kauai is Hawaii's oldest island and a tropical paradise. Covered with verdant rainforests, glittering waterfalls, and immense cliffs, Kauai will astound you at every turn. This island is the perfect destination for outdoor adventures, with activities from kayaking, to ziplining, to snorkeling. Better yet, marvel at the island's natural beauty, from the scenic cliffsides of Nāpali Coast State Wilderness Park to the resort beaches of Poipu.