Tulum

Mexico's ambitious Maya Train project is supposed to bring development to the Yucatan Peninsula, but along the country's Caribbean coast it is threatening the Indigenous Maya people it was named for and dividing communities it was meant to help.

Hurricane Grace bore down on Mexico's Caribbean coast on Aug. 18, grounding flights and forcing tourists in some hotels along the Riviera Maya to hunker down overnight in storm shelters.

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A hurricane warning was in effect for a string of beach resorts, including Cancun, on Mexico's Yucatan Peninsula, the U.S. National Hurricane Center (NHC) in Miami said.

Christ of the Abyss, San Fruttuoso, Italy

Ithaa Undersea Restaurant, the Maldives

Museo Subacuatico de Arte (MUSA), Cancun, Mexico