All the old rides are coming down, Henry said, along with most of the buildings ... An alligator is seen inside the abandoned ...

Buildings become abandoned for many reasons, both before and after they're built. Tall skyscrapers can be especially pricey and remain unfinished.

The old Six Flags in New Orleans that was left abandoned after Hurricane Katrina ... live entertainment by restoring one of the existing buildings in the park, Axios reports.