Yantai was one of several "treaty ports" established by the treaties after the Opium Wars, mid 19th century. This site has 6 - 8 buildings dating from the treaty port period, with the oldest built around the time of the 1912 Chinese Republic. Sites include the former American and British consulates as well as several administrative offices for customs. A memorial and small shrine in honor of war veterans from the Japanese war are also present. There is also a modern vintage lighthouse, which is open for visits to the top for a modest 5 yuan extra fee. A few of these buildings have displays with photos and some historical artifacts. Sadly little English interpretation is present. Some of the buildings remain unrestored, and a few appear to be in use for private businesses. There are also a few sites of earlier Buddhist shrines which I did not see.
Nearby - about 1 KM/ 2/3 mile to the south along the shore - are another group of buildings from the treaty port period which have been developed for private use as restaurants, bars, and shops. At the time of my visit (spring 2011) only about half of these were in operation but this area is also worth a brief visit.
I would suggest this site for those with particular interest in Chinese history, with the reminder that there is relatively little English interpretation of the displays.
Feed the seals at Penglai. For a small fee you can feed the seals and they do appreciate it. Ping was cautious at first but they were soon eating right from the tongs they give you so your hands wont smell fishy.
Penglai west of Yantai is a sort of Taoist Amusement Park. Interesting Modern renditions of traditional Chinese temple structures house the artifacts and a nice Sea Life Aquarium. The story is that at this spot the 8 Immortals arrived for a meeting in ancient times. The aquarium eas actually below the central building. In the park you can ring a large bell or shoot fireworks from a cannon for good luck..
There is also a film shown of the mirage you can see off shore. It seems there are hills and bridges on the horizon. These melt into the sea as perhaps shifts in tide or lighting cause the mirage to vanish.
Visit #1 or #2 Beach to find out. Kind of fun just walking the promenade. Starts over at Yantaishan park and works it's way east. Between both beaches is a hill fort that is really a nice place to visit. Displays in Chinese but very well done. Have black powder gun you can fire (with paid admission).
Underneath the central building of the park is a nice aquarium. As it descends you walk below so the sealife passes over you. The sharks' outlines are visable as they passed over.
The cliff, the big ocean wave. Make you feel how chickenshit the human is. Jiuzhang Ya is famous for the cliff, Yueya Wan is famous for the cobblestone.