Coober Pedy is a place where people like to live underground.

Coober Pedy is a small Australian town, famous for being the opal capital of the
world because of the large quantity of opal stones that are mined here. What people
don’t know about this place is that the locals mostly like to live underground. A tradition
that goes back to the early 1900, when the first miners arrived in the area, cave-boring
in the hillsides is still popular. The temperatures here during the Summer are unbearable
for some, so they opt for underground living quarters, at approximately the same price
as a surface-built house. The first one keeps a constant, cool temperature during the
Summer while the second needs air-conditioning. It can get quite cold during the winter,
though.

One of the most popular attractions in Coober Pedy are the underground churches.