Civilization 3: Play the World Cheats

Start in modern times
Click "Load Scenario" then select "moderntimes bic". You should start in modern times with all the technology

Infinite Gold
Note: This involves editing a game file. First create a backup copy of the file before proceeding. Next use a text editor to edit the ''script.slc'' file in the ''ctp_datadefaultgamedata'' folder. Now add the following lines to the file:

trigger 'DOR_T_Give_Gold' when (IsHumanPlayer(g.player) &&
(player.1.gold<=200000))
{
AddGold(g.player,1000000);
}