Colchester. The Roman capital of Britain. Several museums and lots of Roman stuff:
www.colchestermuseums.org.uk
East Anglian Railway Museum:
www.earm.co.uk
The Dedham Vale Area of Outstanding Natural Beauty:
www.dedhamvalestourvalley.org
Cudmore Country Park (on the coast):
www.essexcc.gov.uk
Snape Maltings Concert Hall:
www.snapemaltings.co.uk
Assington Mill. A variety of short courses to be enjoyed:
www.assingtonmill.com
Flatford Mill, boating, John Constable exhibition and courses by the field studies council:
www.field-studies-council.org/flatfordmill
East of England tourist board:
www.visiteastofengland.com
Colchester Zoo:
www.colchester-zoo.co.uk