The northern island of Hokkaido is better known for its winter powder than for summer adventure but this month it will be connected to Honshu (main island) by the shinkansen (bullet train). Cruise around the Shiretoko Peninsula spotting eagles and whales, canoe and fish on Lake Kussharo, hike up Mt Asahi, take a hot spring bath in Toya Onsen and spend time in the city of Sapporo.
Inside Japan Tours14 days, £2,349pp excl flights).
Conan Doyle’s classic adventure novel was inspired by Venezuela’s “Lost World”, a region of dense jungle and rolling grassland dominated by immense sandstone table mountains known as tepuis. You’ll trek to the summit of Mount Roraima, a maze of blackened rock and babbling streams with unique plants and rare carnivorous frogs. Visit Auyán-tepui and see Angel Falls, the world’s highest waterfall, as it plunges 3,200ft., 15 days; £2,799pp, including flights.