It mainly depends on the time of your plan, I'll list what I think are some of the more worthwhile attractions in Liaoning province.
Shenyang. You can go to the Shenyang Imperial Palace, which was built earlier than the Forbidden City in Beijing, on July 1, 2004, the 28th World Heritage Committee of UNESCO approved the inclusion of the Imperial Palace in Shenyang, China, as an extension of the cultural heritage of the Ming and Qing palaces in the World Heritage List. Become a world heritage site.
Shenyang Expo Park. This is still relatively new, very large, a lot of flowers and plants inside in the summer, very beautiful, now I do not know.
If you want to play rides, you can go to Fangte.
Like some historical things, you can go to the 918 Museum and Zhang's Handsome Mansion.
Toward Fushun and the Expo Park unified direction and Fushun Royal Polar Oceanarium, I just went in the summer, jellyfish is very nice.
Want to listen to a duo, the better place is the Liu Lao Gen stage.
Dalian.
There is the Tiger Beach Ocean Park, Sheng Ya Ocean World. (If you go to the one in Dalian, you can go to the one in Fushun differently)
There is also the Kingdom of Discovery, which is also for rides.
You can stroll around Xinghai Square, Jinshitan Beach is also very beautiful.
Panjin.
The most famous is the red beach, National Day to go just right.
Benxi.
You can go to Benxi Water Cave. It's a stalactite cave, and you can take a boat tour underground, with a nice atmosphere.
Dandong.
Next to North Korea, you can look across the Yalu River Bridge while standing there.
Huludao.
Stop Anchor Bay to go, you can see the sea in Huludao. Huludao also has an ancient city of Xingcheng.
Fushun.
You can go to Hetualla City to feel the Manchu culture.
Tieling.
Countryside love series was filmed in Tieling, if you like, you can go to feel the small courtyard in the northeast, and now the new city of Tieling is well built, you can see.
The rest of the city also has some attractions, I think the above list of these are more classic must go. I hope it can help you.