Buddhist Museum.
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33 stories make it possibly the tallest Buddhist monastery in the world, and it is a landmark in the area and quite a sight from a few kilometres apart. Maybe find a hill nearby to fully capture it – it will be hard to put its size onto a picture standing right in front of it. Apparently, locals do not like the monastery too much, because the they demand money/donations for everything. But as a western tourist you should be safe from that. North-east of it can also be found the related Chung Tai World Museum.
Guang Xing Paper Mill
Following ancient methods of production, this factory turns out a variety of hand made paper favored by calligraphers. This factory has a do-it-yourself lesson and participants can keep their own work as a souvenir.
A memorial to Puli's historical connection with lacquerware. Demonstrations can be arranged.
The geographical center of Taiwan.
Wonderful variety of butterflies.
Hutoushan
At night, this little hill northeast of Puli centre gives a wonderful view over Puli and its "lightshow" inside the middle of the surrounding mountains.