The Web Map Gallery managed by Directions Magazine is a rich resource to show what others geospatial professionnals have created.  For example:

KOLKATA
10 December, 2008

Category: Retail

Industry: Cartography

Brief Description: MAP OF THE CITY OF KOLKATA, WEST BENGAL, INDIA

Server-side technologies: ARCIms

Server-side applications: arciMS

Commercial GIS Software used: arciMS, arcgIS

Time invested in development: 3 YEARS