Sibuan Island. Photo credit: Rizduan Abd Karim

Sapa, Vietnam. Photo credit: Kayla Beiler

Havana, Cuba. Photo credit: Jim Tardio

Morandava, Madagascar. Photo credit: Ken Thorne

Namaskard, Iceland. Photo credit: Andrea Coan

Bodhnath, Kathmandu, Nepal. Photo credit: Craig Ferguson

Salara de Uyuni, Bolivia. Photo credit: Takaki Watanabe

The Buzludzha Monument. Photo credit: Thomas Jorion

The banks of the Ganges River. Photo credit: NG HOCK HOW

The Tankwa Karoo National Park, Cape Town. Photo credit: Karin Schermbrucker

Rio de Janeiro, Brazil. Photo credit: Ignazio Sciacca

Summer Palace in Beijing. Photo credit: Federico Senesi