Tour d'Afrique's Trans-Oceania long-distance bike tour
Credit: Jasper James / Getty Images

The latest epic from Tour d'Afrique starts in Singapore and heads south, through Indonesia, East Timor, and Australia. Bike an average of 75 miles a day with a multinational group (as many as 15 countries have been represented in a single tour). While the ride is fully supported, Tour d'Afrique expects participants to go at their own pace, navigating through new towns in their own way. The massive, 128-day tour departs on August 16. [$17,900; tourdafrique.com]