Level 1 · Exercise Normal PrecautionsSeoul is a 24-hour city of 10 million that runs on subways, BBQ, and Wi-Fi faster than your home. Palaces on one block, K-pop streetwear the next. Violent crime is nearly zero; late-night alleys are normal. Add Busan for beaches and Jeju for a subtropical surprise.
Central Gwanghwamun address with Gyeongbokgung Palace at the door and the city's most serious cocktail bar downstairs (Charles H.).
The hilltop grande dame favored by visiting heads of state u2014 pine-shaded pool, sculpture garden, and the oldest Japanese restaurant in Korea.
Sky-high views from Lotte World Tower's 76thu2013101st floors and a Michelin-starred restaurant you won't leave sober.