An essential passageway between the Atlantic and Pacific Oceans, the Panama Canal is an extraordinary technological landmark and a testament to human innovation. Built in the early twentieth century by American engineers, the canal weaves through the Panamanian isthmus and allows easy access for commercial freighters and cruise ships alike.

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.

Dubai is a grandiose, extraordinarily modern metropolis in the United Arab Emirates. Visitors will marvel at the dramatic skyline, the musical Dubai Fountain and the manmade archipelago right offshore that features a major resort.

Located northwest of Queenstown, New Zealand, the Milford Sound fiord is a stunning natural landmark in Fiordland National Park popular for its lush, jagged cliffs, cascading waterfalls, and variety of wildlife.

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.