Take a 7-night trip and visit the World Heritage Sites of Korea. Start in Seoul where the tour includes visits to the Gyeongbok Palace and the beautiful Secret Garden. Next, take a full-day tour, visiting Suwon and Yeoju, where you see the Hwaseong Fortress, a UNESCO-designated World Heritage Site, and the Tomb of King Sejong the Great, a 15th-century king who presided over multiple scientific and cultural contributions. Afterward, travel to Gyeongju and see the 6th-century Seokguram Grotto. The next day, go to Suncheon and visit the 7th-century Cheomseongdae astronomical observatory. Finally, travel back to Seoul, where you have a full day to enjoy at your leisure. Starting from $3795, including air, with weekly guaranteed departures.