Inside Biosphere 2, Arizona is a complete ecosystem meant to keep a group of people alive for months on end. That project ended years ago but the building remains and it’s worth a visit if you’re in the area! Just in case you didn’t see yesterday’s post, 3 hotel rooms going for free on the…

The visitor center at the Biosphere in Arizona.

Biosphere 2 in Arizona on a cold day in January last year.

Biosphere 2 in Arizona, from the outside with clouds.

As Biosphere 2 is a self contained and airtight structure the air inside would expand and contract on warm and cold days which could cause the building to explode or implode! Two lungs were built to cope with this effect. One of them is pictured above. As the air in the building warmed up the…

Biosphere 2 lies in the dusty hot desert in Arizona. It was originally designed as a self contained “world” where scientists stayed for an extended period of time. After going through the tour, there’s no way I’d volunteer to spend my time inside. It must have been very difficult being cooped up in one building….

At Biosphere 2 in Arizona the land around the main building was sold to developers to fund the experiment and for maintenance. Unfortunately all the houses there looked very empty, but maybe that was because it was in January and in the off season.

This way to the EXIT. This is a sign in Biosphere 2 in Arizona. Can you imagine how enticing it would be to get out of a building after spending a year inside there? Declan from O’Learys rang this morning. Good news. He got on to the boss at the Sigma repair company who told…