Armagh Planetarium
- Science centre featuring a portable inflatable planetarium. Available shows for children and adults, letters from children and online booking facilities.
- http://www.armaghplanet.com/

Armagh Info
- Contains information and data, including extracts from out of print books, old postcards and news of building developments.
- http://www.asaz58.dsl.pipex.com/

Armagh Observatory
- A modern astronomical research institute. Founded in 1790 by Archbishop Richard Robinson, the Observatory is one of the UK and Ireland's leading scientific research establishments.
- http://star.arm.ac.uk/

Armagh City and District Council
- Information on tourism, the economy and history of the region.
- http://www.armagh.gov.uk/