Sailors used to collect giant tortoises from the Galapagos Islands for long ocean journeys, not necessarily because they are tasty (I can’t vouch for that) but because tortoises can live for a long time without food or water and were consequently a source of fresh meat for up to a year or more. read more
Strongest tasting meats are wild game, like venison, wild boar, wild turkey. The tastiest for me, might be something you dislike. Personal taste is something you need to decide for yourself. A less expensive, but very tasty cut of beef is the blade, or top blade. read more