He began planning a three-year voyage to circumnavigate the world. She planned to circumnavigate the globe at equatorial latitudes. He was the first to circumnavigate the Australian continent in a open boat. They were allegedly the first to circumnavigate the African continent. These explorers became the first men to circumnavigate the globe. Pliny reports that Hanno actually managed to circumnavigate the African continent, from Gades to Arabia. On reaching the summit, climbers can circumnavigate the crater and descend the normal eastern route. His was the first vessel to circumnavigate the world via the Northwest Passage. She was the first ship to circumnavigate the world twice. The decade of the 1840s saw "Constellation" circumnavigate the globe. Hikers and cyclists can circumnavigate the lake using a path approximately long. There were plans to circumnavigate the globe in 2010. Sightseeing boats circumnavigate Manhattan or make excursions into the Upper New York Bay. They could not circumnavigate obstacles; they just stopped and waited when something blocked their path. It is customary to circumnavigate Buddhist stupas in a clockwise direction.