Steel, Guns, and Another World

In the 15th century, the Spanish began colonizing South America. In the 21st century, humanity began landing in another world. Steel and firearms replaced magic and faith, while dollars, yuan, and euros replaced gold coins and gems. Highways cut through dragon-filled valleys, oil wells were drilled into lizardfolk swamps, and resorts were built on mermaid islands. Too bad the good old days are always yesterday.