Kid’s Creations Adventure Mountain Redwood Playset This is the biggest (and most expensive) backyard playground set on our list. At a whopping $13,999 all of the neighborhood kids will be talking about this amazing playground in your back yard. This is available a Costco and has one incredible feature – The installation is included in the cost!

Designed by Tiny Town Studios, and their Etsy shop has this listed for $37,500. The price could go up or down, depending on the features you wanted to have on the castle fortress. Since this is so expensive, they suggest that it might be good as a playground for business owners and parks.

Built for the children of a Swiss millionaire, the world’s most expensive playhouse cost $230,000 and took over 2,000 man hours to complete.

The Empire Extreme Swing Set is the largest and most expensive swing set from Gorilla Playsets. It's truly huge and features 3 slides, monkey bars, climbing walls and ladders, a sandpit, 3 floors, and even a bridge!

Sydney’s largest playground, Blaxland Riverside Park offers spectacular water views and massive play areas to engage kids of all ages. Kids have been enjoying the unique play structures here since the park opened in June of 2012. The playground covers more than seven acres of land, so wear your walking shoes.