Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

A 125-meter long "tribute to the Brazilian people."

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

Beautiful public park off the beaten path and away from tourists.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A US military accident created the legends behind this Mexican version of the Bermuda Triangle.

Mexico's astounding mummy museum with "the world's smallest mummy."

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

The only castle in North America to ever house European sovereigns.

Giant nude woman of Tijuana is also the artist's home.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

66,000 pieces of art, donated by one of the world's richest men.

Part bookstore, part café, and part forest.

A church dedicated to the Mexican skeleton saint.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

This giant expressionist head crowns a museum devoted to a beloved Mexican leader.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

At a museum of everyday objects, it is the act of collecting that is really on display.