fuseiso is an utility that allows you to mount ISO, BIN and NRG images in the userspace file system then you can browse them with any file manager such as any directory can be inspected.
Install fuseiso
Debian/Ubuntu and derivatives
$ sudo apt-get install fuseiso
CentOS/RHEL
Enable rpmforge
# yum install fuse-iso
Use fuseiso
$ fuseiso -p my.iso access-point
access-point = DIR where you will mount the image
Unpack .iso with 7-Zip
– See 7-Zip – An excellent archive compressor / decompressor
Further reading
– man fuseiso