Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.

This massive piece of aviation history calls this residential neighborhood home.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

Macabre museum devoted to historical Viennese murders.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This third-generation shop has been doling out bowls of tilapia soup since 1977.

Dine on Hakka dishes at a dreamy cottage nestled in the heart of Taipei.

Memorial to the father of the Republic of China.

This former military installation was turned into a discipline center by the Taiwanese Navy.

This densely-packed cluster of buildings was saved from the wrecking ball and turned into an art community.

Waste incinerator with a restaurant on its chimney.

Air-raid tunnels hidden beneath this opulent hotel provided shelter and an escape route—and one of the world's longest slides.

These charming mailboxes became social media stars after a typhoon failed to topple them.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

The ruins of this mining boom town stand like skeletal reminders of the settlement's dark history.

The remains of diamond fever taken over by the desert.

The beehive-like buildings of this abandoned resort reside near the border of Mauritania and Senegal.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.