Located in Kleven, Ukraine, the tunnel of Love is an amusement railway surrounded by green arches, giving it a surreal, otherworldly atmosphere. It is also known for being a favorite place for couples to take walks.
Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.
The aurora borealis, or "northern lights," come from the Earth's magnetic field being continuously hit by electrically charged particles from the Sun. They are transported toward the magnetic poles, where they collide with nitrogen and oxygen molecules in the upper atmosphere. These molecules absorb the energy and then release it as visible light. (Feo Pitcairn Fine Art) smithsonian-institution/new-exhibition-depicts-just-how-dramatic-mother-earth-can-be-180955866/?utm_source=feedburner