Rusting railcars and locomotive equipment fill this Ethiopian train graveyard.

The skeletal remains of the famous hominid "Lucy" were found at this spot.

A powerful tribute to the victims who suffered under Ethiopia's most devastating regime.

Ethiopian standing stones featuring remarkably preserved carvings of swords and people.

An ancient Ethiopian cave church is endangered by the simple building of a road.

Reaching the "Church in the Sky" requires scaling the cliff face of a sandstone pinnacle with a 650-foot drop.

An ocean in the making, in the Ethiopian desert.

Massive stele returned to Ethiopia after 70 years in Rome.

Supposedly this Ethiopian chapel holds the Ark of the Covenant, guarded by virgins who cannot leave the building.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

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

The hottest place on the planet.

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

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

A true Valhalla for cactus and succulent lovers.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

A beautiful maze marks where three countries meet.

The world's largest boar is a huge steel titan found at a French rest stop.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

Hiding the longest subterranean river known in the world.

Descend into the tunnels to experience the life of a coal miner.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.