Hayden Planetarium—New York City, USA
It's an unfortunate reality for star lovers that it can't be perfect weather all the time—sometimes its cloud and rainy, thwarting chances of a perfect starry night. For times like that, head to the Hayden Planetarium in New York City. Here, you can take in an IMAX or Space Show, or check out one of the Rose Center for Earth and Space's four exhibits: the Cullman Hall of the Universe, the Big Bang Theater (which features a show about the Big Bang), the Heilbrunn Cosmic Pathway and the Scales of the Universe.
Tickets to the Rose Center for Earth and Space and the planetarium must be bought through the American Musem of Natural History; general admission tickets start at $22 and offer access to the Natural History Museum as well as the space exhibits.
(Part of our special report on Life in the Cosmos)