Seoul, South Korea's capital, blends ancient traditions with modern technology. Rooted in Confucianism and Buddhism, its culture appears in historic temples, palaces, and hanbok. Must-sees include Gyeongbokgung Palace and Bukchon Hanok Village. Enjoy hiking in Bukhansan National Park, shopping at Namdaemun and Dongdaemun, and trying bibimbap, bulgogi, and Korean barbecue. With rich culture, sights, and food, Seoul is unique.

Jeju, the "Hawaii of Korea," is a UNESCO Global Geopark known for volcanic scenery. Highlights include Hallasan National Park, South Korea's tallest mountain, a crater lake, and waterfalls; Geomunoreum, a world-class lava tube system; and Seongsan Ilchulbong, a volcanic peak rising from the sea. For culture, visit the Haenyeo Museum or a folk village to learn about traditional free-diving women and Jeju heritage. Relax on white, black, or red beaches and try a hallabong orange.

Busan, South Korea's bustling port city, blends traditional culture, scenic landscapes, and modern attractions. Rooted in fishing heritage and Buddhist traditions, it offers historic temples and lively markets. Sample fresh seafood at Jagalchi Fish Market, visit mountain Beomeosa Temple, relax at Haeundae Beach, and hike Geumjeongsan for panoramic city-and-sea views. Don't miss local foods like dwaeji-gukbap, milmyeon, and ssiat hotteok, alongside international dining.

Nagasaki is a historic port city shaped by Japanese and Western influences, known for its resilience and spirit. Visit Peace Park, stroll Glover Garden with its Western-style mansions, and explore the city's shrines and temples. Hike Mount Inasa for sweeping views of the city and bay. Enjoy local cuisine, including champon, castella, and fresh seafood from the markets.

Kagoshima, on southern Kyushu, is known for scenic landscapes, samurai history, and rich culture. Visit Senganen Garden for views of Kagoshima Bay, and the Shimadzu Satsuma Clan Historic Museum to learn about the region. Sakurajima volcano dominates the skyline, with observatories, hikes, hot springs, and bay cruises. Enjoy local cuisine like kurobuta pork and Satsuma-age, plus shochu distilleries with tours and tastings.

Hiroshima blends poignant history with a vibrant present. Visit Hiroshima Castle, Shukkeien Garden, or the Peace Memorial Museum. Try Hiroshima-style okonomiyaki and local street food. Nearby Miyajima Island offers the iconic floating torii gate and scenic beauty.

Located only 45 minutes from Tokyo, the scenic port of Yokohama merges a cosmopolitan history with modern attractions, creating a waterfront district that's as relaxing as it is entertaining. Walk Yamashita Park and visit the Nippon Maru and Hikawa Maru, museum ships that detail centuries of Japan's maritime heritage. Tour the country's largest Chinatown for delicious flavors and make time for world-class shopping in this city that's a contrast to Tokyo's intensity.