An Earth tattoo design is a great way to express thankfulness and bring homage to Mother Earth but also to show your passion for travel and exploration.
The global tree logo
35 Unique Travel Tattoos to Fuel Your Eternal Wanderlust: Warning: Only committed travelers allowed.
Small Astronomy Tattoos That Are Out Of This World
See this and similar background - Alchemy Black Temporary Tattoos collection with four triangles representing fire, water, air, earth in black.
12 Amazing Small And Simple Tattoos For Girls - Tattoos - LadBlab