There is something mysterious yet compelling about exploring crypts and vaults. If this seems interesting to you, swing by Teleology Mausoleum.
If you're planning to stick around a while in Huai'an, Teleology Mausoleum is a good place to kick off your sightseeing. This tomb site is one of numerous attractions that'll keep you on the go here. Xuyi Xiangshan Mine State Park, Ruins of Ancient Sizhou, and Tieshan Temple are also waiting to be discovered nearby.