Bus tours are a great way to see the sites of Barcelona without tiring yourself and for those on a tight schedule they offer a way to pack in all those sites. Barcelona’s Hop-on hop-off buses visit all of the city’s most important monuments with a guided commentary all the way. Audio guides are available in twelve languages and the ticket includes discount vouchers for numerous restaurants and tourist attractions. Be aware that the buses can get very full in high season and that in the ...