with folder-structure // will download into ./folder/
wget -e robots=off -r -nH --no-parent --reject="index.html*" http://domain.tld/folder/


without folder-structure
wget -e robots=off -r -nH --cut-dirs=3 --no-parent --reject="index.html*" http://domain.tld/folder/


with self-signed ssl
wget --no-check-certificate -e robots=off -r -nH --no-parent --reject="index.html*" http://sub.domain.tld/ --user=USER --password=PASSWORD