Travel to the Earth's center

"Travel to the Earth's Center" likely refers to the concept of traveling to the Earth's core or the idea popularized by literature, specifically Jules Verne's classic science fiction novel "A Journey to the Center of the Earth." Published in 1864, the novel tells the story of a professor, his nephew, and their guide who embark on a subterranean adventure after discovering a passage to the center of the Earth in Iceland.