Walt Disney World's Discovery Island was left to rot in 1999 and has been untouched since, except for one man who was discovered living on the island during the coronavirus shutdown.
River Country was the first water park at the Walt Disney Resort, but three children died there.
Nara Dreamland, a Japanese version of California's Disneyland, was left abandoned before being demolished in 2016.
Discovery Island in Bay Lake has been abandoned since 1999.
It was originally called "Treasure Island" when it opened in 1974 as a bird sanctuary.
It closed in 1999 for a variety of reasons.
When it closed, the animals were moved to Disney World's Animal Kingdom Resort nearby.
Visitors are prohibited from exploring the island.
The area now looks like a ghost town.
The park was designed to look like a swimming hole, with an artificial mountain featuring water slides.
River Country was very successful when it first opened, but in 1980 a boy died there due to an amoeba that breeds in freshwater.
Two years later, a boy drowned coming off the Whoop n' Holler Slide.
In 1989, another boy drowned there.