Move over Nagoya, Japan, St. Petersburg is now home to the world’s largest planetarium! The dome of the St. Petersburg planetarium measures 37 meters in diameter - two meters bigger than the former record holder in the Japanese city of Nagoya. Aside from observing the starry sky, visitors can also take a tour around the Museum of Space Exhibits and the interactive hall equipped with virtual reality technology. There are also educational classes and observatories. Several touch screen tablets dotted around the space even allow people to rotate the dome of the planetarium. So if you want to do something truly out of this world, head over the planetarium!