One of the largest mud-brick structures in the world.

Elaborate patterns adorn the city's disappearing traditional architecture.

Wander among hulking piles of rusted machinery left over from the Eritrean-Ethiopian War.

Eritrea's futuristic gas station is a nod to Italy's fascist history.

Massive stele returned to Ethiopia after 70 years in Rome.

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

This cave located in the badlands of Somaliland contains some of the oldest cave art in Africa.

A MiG-17 fighter jet sits atop this memorial to the indiscriminate bombardment of Hargeisa.

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

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

The only quarter of the Old City not dedicated to a major world religion.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This unassuming oasis elevated just above the busy streets of Jerusalem offers one of the best views of the Old City.

An arts and culture melting pot inside an old roadside inn from the Ottoman era.

One of the most photographed locations in the entire city.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

An autonomous republic of Orthodox monks.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Taking the subway here means doing so over a bridge located in the middle of an estuary.