The Modern Antiquarian　http://www.themodernantiquarian.com/home/
Portal site of Megalithic Culture of Europe presented by Julian Cope, a rock musician and an antiqualian who has published two books about Megaliths of Britain and other European areas.

The Megalithic Portal　http://www.megalithic.co.uk/
Another portal site of Megaliths. Massive resource of photographs and reports.

Stone Pages　http://www.stonepages.com/
A Web site of Megalithic culture presented by Italian Antiqualian group.

Ancient Stones of Scotland　http://www.stonepages.com/ancient_scotland/home.htm
A web site of Scottish Megalithic sites presented by the same group above.

Megalithic Walks　http://myweb.tiscali.co.uk/celynog/
Useful access information to Megalithic sites in Britain and Ireland.

Knowth.com　http://www.knowth.com/index.htm
A Web site of Irish Megalithic culture.

Agates, Minerals

Mineralworld　http://www.mineralworld.de/
The web site presenting the most detailed information and sample photos of agates from all over the world.

The Agate Page　http://csd.unl.edu/agates/agatepage.asp
The Encyclopedia of agates presented by Dr. Roger Pabian.

achate.at　http://www.achate.at/
The Web site of Johan Zenz, an agate collector of Austria.

Rayer-minerals.com　http://rayerminerals.homestead.com/　
The home page of Henk Rayer, a Dutch agate collector.

Horo-agates.com　http://www.horo-achate.de/index.html
The home page of Rainer Hoffmann-Rothe, a German agate collector.

Agates with Inclusions　http://www.agateswithinclusions.com/
The web site of Pat McMahan. Ultimate collection of agates with inclusions.

In the land of Telluric Marbels　http://www.agates-mandalas.ch/
The web site of Jacques Rossier, a Swiss agate collector. Lots of beautiful microscoped photographs of agates.

Dutch Agates and Agates from all over the world　http://agates.freeservers.com/
The web site of Robert de Jager, a Dutch agate collector.

Iranian Agate Page　http://iranian-agates.freeservers.com/
The web site of Maziar Nazari, Iranian Mineralian.

Agates from Argentina　http://www.agatesfromargentina.com/
The web site of Ricardo and Claudia Birnie, presenting Argentin agates.

Rini Saat's Agaten　http://saat-agaten.ma.cx/
The web site of Rini Saat, a Dutch agate Collector.

Scottish Agates　http://www.agatesofscotland.co.uk/
The web site of David Anderson, Scottish agate collector. Good photos and much information of agate localities in Scotland.

Agates from Scotland　http://www.agatesfromscotland.com/
The web site of Jean and Robin Field, Scottish agate collectors.

agates eu　http://www.agates.eu/
Presenting agates from Poland.

Mineral Tivadar　http://www.mineraltivadar.hu
Web site of Hungarian agates presented by Tivadar Pecsi

Euro-Bir　http://www.euro-bir.com/
Web site of Turkish minerals. Lots of rare Turkish agates for sale!

Eibonvale Thunderegg Gallery　http://www.thundereggs.co.uk/
Web site introducing thundereggs from all over the world.

Kentuckyagate.net　http://www.kentuckyagate.net/
The best site about Kentucky agates. Good photos of various Kentucky agates and information.

Agate-Gem.com　http://www.agate-gem.com/
Web shop of high quality Mexican Agates and rare Czech Agates.