Space is stuffed with great scenery, fantastic space tourism vacation travel experiences, and lucrative business opportunities. As of today, all are dangerous and expensive to access, which doesn't keep us from including them here. Simulated space experiences (SimSpace), on the other hand...

Sundance Space Station
$14,950,000.00
Biosphere 2
$20.00
Mars Analog Research Station (M.A.R.S.)
$1,000.00