Royal azaleas in bloom on Hwangmaesan Mountain, South Korea (© Stock for you/Shutterstock)

Church of Nuestra Señora de los Remedios and Popocatépetl, Puebla, Mexico (© Radius Images/Shutterstock)

Mayan ruins in Tikal, Guatemala (© THP Creative/Getty Images)

Wildebeests in the Maasai Mara National Reserve, Kenya (© Matt Polski/Getty Images)

Jöriseen lakes in the Silvretta Alps, Switzerland (© Florin Baumann/Getty Images)

Korean Bell of Friendship, Los Angeles (© Carlos Marin/Getty Images)

Preservation Hall, New Orleans, Louisiana (© Cosmo Condina North America/Alamy)

Milky Way over Joshua Tree National Park, California (© Schroptschop/Getty Images)

Mariposa Grove of Giant Sequoias in Yosemite National Park, California (© Orbon Alija/Getty Images)

South Padre Island, Texas (© Jeff R Clow/Getty Images)