Tokyo Sewerage Museum “Rainbow”

Cheapo Article: Top 5 Free and Cheap Things to Do in Odaiba
Area: Odaiba
Access: 0.7 km from Kokusai-tenjijō Station JR Rinkai Line (R3)
0.8 km from Tokyo-teleport Station JR Rinkai Line (R4)
Address: 5F, 2-3-5 Ariake, Koto-ku, Tokyo [map]
Phone: 03-5564-2458 03-5564-2458
Hours: Tuesday-Sunday 9:30am-4:30pm (entrance permitted until 4pm)