Naha is the capital of Okinawa Prefecture, the tropical island group south of mainland Japan. The modern city was officially founded on May 20, 1921. Before that Naha had been for centuries one of the most important and populous sites in Okinawa. In the medieval and early modern periods, it was the commercial center of the Ryūkyū Kingdom.

Vancouver is a coastal city located in the Lower Mainland of British Columbia, Canada. It is one of the most ethnically and linguistically diverse cities in Canada; 52% of its residents have a first language other than English. Classed as a Beta global city, the city is well known for its majestic natural beauty, as it is nestled between the Coast Mountains and the Pacific Ocean. It is frequently ranked as one of the "best cities to live in" and is certainly a beautiful destination to visit.

Incheon officially the Incheon Metropolitan City, is South Korea's third or fourth largest metropolis, after Seoul and Busan, and tied with Daegu. As the largest seaport on the west coast and home to the country's largest airport, Incheon International Airport, Incheon is South Korea's most important transport hub. In the 21st century, Incheon has transformed into a global business hub centered around the high-tech and futuristic Songdo International City, which is home to South Korea's tallest building, the 305m supertall Northeast Asia Trade Tower.

Ketchikan is an Alaskan city facing the Inside Passage, a popular cruise route along the state's southeastern coast. The city is named after Ketchikan Creek, which flows through the town, emptying into the Tongass Narrows a short distance southeast of its downtown. Civic boosters have dubbed the community the "Salmon Capital of the World". The Misty Fiords National Monument is one of the area's major attractions, and the Tongass National Forest has long been headquartered in Ketchikan, mostly in the city's historic Federal Building.

Glacier Bay National Park and Preserve is a United States National Park and a UNESCO World Heritage Site that is in the Panhandle of the state of Alaska. The park is best known for its massive glaciers, but is also an ideal destination for those seeking wildlife, kayaking, or simply a chance to get away.

Yokohama is the second largest city in Japan by population, and most populous municipality of Japan. It is the capital city of Kanagawa Prefecture. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu. It is a major commercial hub of the Greater Tokyo Area. It’s also known for Sankei-en Garden, a botanical park containing preserved Japanese residences from different eras, and the seaside Minato Mirai district, site of the 296m Landmark Tower.   Yokohama's population of 3.7 million makes it Japan's largest city after the Special Wards of Tokyo. Yokohama developed rapidly as Japan's prominent port city following the end of Japan's relative isolation in the mid-19th century, and is today one of its major ports along with Kobe, Osaka, Nagoya, Hakata, Tokyo, and Chiba.