The Tallinn Tourist Office, Niguliste 2 (tel: 645 7777; website: www.tourism.tallinn.ee), can organise guided group tours and guides for individuals, though booking ahead is recommended. It also offers several audio self-guided tours (website: www.audioguide.ee or www.euroaudioguide.com). The ‘Tallinn Official Sightseeing Tour' (tel: 610 8634; website: www.travel2baltics.com) combines a bus tour with a walk through the old town (free with the Tallinn Card). Tallinn City Tour organises ‘hop on-hop off' bus tours (tel: 627 9080; website: www.citytour.ee). City Bike offers tours on two wheels (tel: 511 1819; website: www.citybike.ee).