ICELAND

6-day, 5-night "recreational-level" active trek. Departures May 12, 19, 26 & June 2, 9, 2019. Highlights: In Reykjavík, mountain bike through Þingvellir National Park/in Laugarvatn, Fontana Spa/bike to Gullfoss (waterfall)/horseback ride along south coast near Hekla volcano and through moss-covered lava fields in Lakagígar/hike in Vatnajökull National Park/bike atop 1,110-foot-tall Mt. Reynisfjall. From $5,699 per person, double occupancy (ppdo). Single supp., 1,100. Trek Travel (Madison, WI; 866/464-8735, trektravel.com).