This incredible avenue of beech trees is the only one of its kind in the world.
This incredible natural attraction located in the Gerlach area near Nevada (United States) was accidentally created in 1916 during well drilling.
Located near the town of Biei on the island of Hokkaido, this man-made lagoon is the result of works on the Biei River carried out after the 1988 eruption of Mount Tokachi to protect the town from volcanic mudflows.
This incredible 7 km tunnel was created by nature and dubbed the 'tunnel of love' by Kleven's residents.
Ruskeala is a rural town located in the Republic of Karelia, within the Russian Federation, and is also the site of a famous marble quarry
Known locally as the 'Door to Hell' or 'Gate of Hell,' this incredible and mysterious crater was accidentally created by Soviet geologists who set it on fire to prevent the spread of methane gas.
This incredible mountainous landscape is a pre-historic gold-mining site and the largest open-pit gold mine in the entire Roman Empire