There are lots of wonderful neighborhoods in Seoul, but Insadong is perhaps one of the more charming ones to visit, especially as a tourist. It has some laid back traditional Korean feeling to it, offering the glimpse into Korean traditions and culture that tourists expect to see during a quick visit to Seoul.
Just outside the metro station and before the beginning of the main Insadong street there is a tourist information center. There, they were extremely helpful in assisting me with booking "Jump" – a comic martial-arts Korean tourist performance hit (though Cooking with Nanta I saw in my previous visit was IMHO slightly better). They also provide maps and detailed explanations of the Insadong attractions.
As you walk down the main road, you come across quite a few Korean folk performances, like this next parade (video):
There's also lots of food, snacks and sweets, Korean style. Watch these four as they make those rice string cakes (video) :
With plenty of delicious street food for you to try…
The mandatory street artists are also in abundance :
With lots of cool little shops, tea houses, restaurants …
If you want something that involves a bit more of authentic local culture – not too far away is the Jogyesa Temple, where you can watch Koreans paying their respects to Buddha…
Also, if you're still not tired of Korean Palaces , Unhyeon Palace (Unhyeongung Royal Residence) is close by, and I've been told there's also South Korea's first sex museum in that area (Asia Eros Museum).
In case you're interested in Jump, there are lots of videos online but here's a bit from their Singapore tour…
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