Today, my family and my parentsI travelled to Danyang whereich is a nice place in Korea. Today, my family and I travelled to Danyang which is a nice place in Korea.

Today, my family and my parents traveled to Danyang, whereich is a nice place in Korea. Today, my family and my parents traveled to Danyang, which is a nice place in Korea.

About 20 years ago, we visited here and, so I hadve a lot of good memories of the area. About 20 years ago, we visited here, so I have a lot of good memories of the area.

AWe visited here about 20 years ago, we visited here and I had a lot of good memories. We visited here about 20 years ago, and I had a lot of good memories.

When I came went there again, I could find places where I had visited beforerediscovered places. When I went there again, I rediscovered places.

Or you could say "I found places that I had visited before"

When I came here again, I could find places where I had visited before. When I came here again, I could find places I had visited before.

We had tasty foods and we visited nice tourist attractions. We had tasty food and we visited nice tourist attractions.

We had tasty foods, and we visited nice tourist attractions. We had tasty food, and we visited nice tourist attractions.

I hope all of my family members getmade some good memories there. I hope all of my family members made some good memories there.

We usually say "make memories"

I hope all of my family members getmake good memories here. I hope all of my family members make good memories here.