The idea of venturing into the unknown, facing danger, and discovering something new has captivated people for centuries. From the great sea voyages of the Age of Discovery to the exploration of the polar regions and beyond, the exploits of famous explorers have captured public imagination. For some people, the allure of exploration is so strong that they have decided to recreate the famous journeys of historical explorers themselves.
Arctic & Antarctic
According to Hollow Earth Theory, the Earth is a hollow planet with ancient entrances to the subterranean world scattered throughout it, including near both polar caps. Since ancient times, some have believed that there is an underground world inside our planet illuminated by a tiny sun, and it includes mountains, forests, and lakes.