Between 1993 and 1996 Vitkauskas climbed the Seven Summits, the highest peaks of all the continents including Mount Everest (Eurasia), Mount McKinley (6,194 m, North America), Vinson Massif (4,897 m, Antarctica), Kilimanjaro (5,895 m, Africa), Mount Kosciuszko (2,228 m, Australia), Aconcagua (6,959 m, South America); also Elbrus (5,642 m, Caucasus) and Mont Blanc (4,807 m, Alps) in Europe. He was the first to raise the same national flag on each of them, in his case the Lithuanian flag. He organised his own trip to the Himalaya and climbed Mount Everest alone, having registered as a photographer of the Nepalese Women Everest Expedition. He also made solo climbs to the peaks of Mount McKinley and Aconcagua.