Elon Musk's rocket company, SpaceX, wants to ferry people to Mars by the hundreds, with the first humans landing on the red planet around 2025. President Barack Obama published an op-ed in October 2016 recommitting to his goal to send humans to Mars by the 2030s.

It’s enough to give Earthlings a bad case of interplanetary wanderlust, but you can’t book your tickets just yet. For budding space tourists eager for a celestial-body experience, here are some terrestrial destinations with distinctively off-planet flavor.

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