Never mind its chilly...

1. Never mind its chilly name – as a travel destination, Iceland is hot.

It is a play on words. "hot" in this case means popular, fashionable, or similar.

2. It is a grammatically correct sequence of words, but it is not a complete sentence.

But how can nets hang out by itself?
It has to be "while nets hung out..."
Is that correct?

JumanahBut how can nets hang out by itself?

"hang out" can be intransitive as well as transitive. In other words, someone can hang out nets to dry, and the nets can also hang out to dry.

JumanahIt has to be "while nets hung out..."

"while nets hung out" is just the past tense of "while nets hang out". If you are trying to cr

Jumanahnets hang out by itself?

Hang can be either active or passive.

Here are some active voice sentences with hang:
My coat hangs on a coat hanger in the closet.
A flag hangs limply if there is no wind.
Please hang the towels neatly on the towel racks.
She is hanging on for dear life.
She hangs on to his every word. (idiom

I cannot imagine a net hanging out itself@??

Ah.
That's why?