Here's an example: you have a choice between investing in a savings account (at a low interest rate), a «conservative» mutual stock fund (at a somewhat higher expected return rate, but with some risk), and a speculative North Sea oil exploration venture (very risky, but with a high return). (faith.org.uk)
After selecting your dream team of explorers, you are thrown right into a starting location somewhere in the world that will act as your first exploration venture. (bagogames.com)
One such venture, a gold exploration company, was taken over in a reverse takeover a number of years ago by an oil exploration company involved in a speculative offshore exploration venture in South America. (climateaudit.org)