A swing to dangle you off the very edge.

A turquoise lake within a volcanic crater.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

Sloth rehabilitation center in the jungle of Costa Rica.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A quirky and charming restaurant founded by artists.

A colorful "forest" made entirely from three tons of recycled plastic waste.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

Frida Kahlo's childhood home, now a museum of her life and works.

Twelve natural mummies are displayed in the crypt of this former monastery school.

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

Part bookstore, part café, and part forest.

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

These azure waters were thought to lead to the Mayan Underworld.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

A massive underwater sinkhole made famous by Jacques Cousteau.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

Paranormal activity on the great lakes.

This freshwater spring fills with 10,000 gallons of water per minute.