For those who say it is too hot in Las Vegas in the summer, the Reid Park Zoo in Tucson is open from 8 a.m. until 2 p.m. and on weekends; it is also open from 6 p.m. until 8 p.m.

These compounding issues, as reported by the Sun, ultimately forced the zoo’s permanent closure in 2013, marking the end of Las Vegas’ problematic experiment with a zoological park.

In 2004, Steve Irwin, the famed "Crocodile Hunter", had envisioned opening a branch of the Australia Zoo in Las Vegas, but the plans never materialized during his lifetime. Now, more than two ...