The park and most events are free. Parking and concession's are not.
Discovery green is free its a public park
Park is free!
Discovery Green is a public park and is free to the public. The event i attended was a private one during a conference, but this is a beautiful park.
Its also accessible via light rail and very convenient to park of you use park and ride
Parking is around $18 for event nights. There are events very regularly.
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