Not sure about that pillar, but a search for 'Japanese octagonal temple' turned up a result quite similar to that second image:
https://marketplace.secondlife.com/p/octagonal-japanese-temple/756875
Also found
https://marketplace.secondlife.com/p/Wasenshi-Japanese-pagoda-mesh/11357869
https://marketplace.secondlife.com/p/Yasyn-Yukimi-doro-Slate/18172115
https://marketplace.secondlife.com/p/The-Belle-Tower-boxed/2471180
https://marketplace.secondlife.com/p/Tourou-5-LI-FULL-PERMS-Mesh/8700238
https://marketplace.secondlife.com/p/Ryu-Chinese-Pagoda-337P-rezzor-v12/2293801