Say "Aloha!" to the big city on Oahu's South Shore: Honolulu. This sunny capital city is the main portal to the larger Hawaiian archipelago, and the perfect base for exploring Oahu.

Upon the banks of the mighty Nile River, the renowned city of Cairo stands tall as an iconic world capital and a well-preserved relic of antiquity. Immerse yourself in this historically significant city, replete with architectural wonders, mesmerizing artifacts, and sprawling markets humming with energy.

Turku, Finland’s oldest city, is a captivating blend of rich history and contemporary charm. Established in the early 13th century, Turku is renowned for its medieval architecture, including the majestic Turku Castle.

Tree-lined avenues, grand architecture, and the imperative to live well defines Bucharest, a bustling city that is rebounding and expanding. In the 1900s, this vibrant Romanian capital was nicknamed "Little Paris" and that jubilant, raise-a-glass spirit carries over to this day.

Portimao is a port city on the southern coast of Portugal and offers easy access to some of the country's best beaches.