Delphi is an iconic historical site and was once the sacred precinct of classical Greece, due to its role in Greek myth as the seat of a prophetic oracle. Originally considered the center of the world by ancient Greeks, today's Delphi is a UNESCO World Heritage site and archaeological wonder, filled with the ruins of theaters, temples, treasuries, and other remains of centuries-old architecture.

Shanghai is a city where contrasting timelines meet at every corner. Once a small fishing village along the Huangpu River, it grew rapidly during the 19th century into a major trading port. Today, its skyline tells a story of that transformation. On one side, the Bund’s colonial-era buildings stand tall in limestone and granite; on the other, the futuristic towers of Pudong, like the Shanghai Tower and Jin Mao, stretch into the clouds.

Copper River, Alaska's fourth largest river travels from the dry interior climate to the temperate rainforest along Prince William Sound.

Nestled at the base of the Great Rift Valley, Lake Manyara is a hidden gem in northern Tanzania that offers an unforgettable safari experience. The lake is part of Lake Manyara National Park, which is known for its dramatic landscapes, from dense groundwater forests to grassy plains. Wildlife enthusiasts will be thrilled to explore this compact park, home to an impressive variety of animals, including elephants, hippos, and the famous tree-climbing lions.

Capital of Martinique, a French overseas territory, Fort-de-France is a veritable island paradise replete with striking colonial architecture, exotic flora and fauna, verdant nature parks, and sparkling beaches. Highlights of this vibrant island capital include the colorful Jardin de Balata, the cascading Fontaine Didier waterfall, and the expansive Schoelcher Library.