A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

The bookstore with bookshelves built into unlikely places.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

A church dedicated to the Mexican skeleton saint.

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

Part bookstore, part café, and part forest.

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

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

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This spacecraft-shaped water tower is only a part of the mysterious UFO mania in this Brazilian town.

An abandoned outdoor movie theater in the Sinai desert.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A puppy slum that protects canines from the cruelties of the human slums.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

A haunting collection of sunken wooden barges litters this Italian river bend.

What killed this humpback whale is a mystery, but its remains have become legendary.

Pilgrimage site for star-crossed lovers.

The underground sanctuary of a mysterious ancient cult.