When to use sightseeing in Korean
Korean: 구경[ gu-gyeong ]

When to use it
구경 means looking around and enjoying what you see. It is often used for sightseeing, but it can also mean watching things at a market, store, or event. You can use it when you walk around, look at interesting places, or watch something for fun.
Example sentences
주말에 가족과 공원 구경을 했어요.
I looked around the park with my family on the weekend.
수학여행에서 서울 구경을 했어요.
We went sightseeing in Seoul on the school trip.
시장에 가서 과일 구경만 했어요.
I went to the market and only looked at the fruit.
친구와 같이 새 가게를 구경했어요.
I looked around the new store with my friend.
우리는 바다 구경을 하러 갔어요.
We went to see the ocean.
엄마, 저 장난감 좀 구경해도 돼요?
Mom, can I look at that toy?