Adler Planetarium (Polygon mesh 3D model) is available on CGTrader for $89. Original author: marlene008. Specs: 36852725 polys, 54436534 verts.
MA (Autodesk Maya, filesize: 936 MB), BLEND (Blender, filesize: 891 MB), OBJ (OBJ, filesize: 1.75 GB), FBX (Autodesk FBX, filesize: 1.41 GB), MAX (Autodesk 3ds Max, filesize: 1.29 GB), OTHER (Other, filesize: 6.24 GB)