Nellie Bly completes her round-the-world journey in 72 days.

Elizabeth Cochrane Seaman, better known by her pen name Nellie Bly, was an American journalist who was widely known for her record-breaking trip around the world in 72 days in emulation of Jules Verne's fictional character Phileas Fogg, and for an exposé in which she worked undercover to report on a mental institution from within. She pioneered her field and launched a new kind of investigative journalism.

Circumnavigation is the complete navigation around an entire island, continent, or astronomical body. This article focuses on the circumnavigation of Earth.