Site where Moses may have received the Ten Commandments.

Lebanese castle built by one man, over a lifetime.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

The largest hewn stone in history.

Beirut's thinnest building was the result of feuding brothers.

The beautifully designed resting place of Iran's national poet is a masterpiece of modern Persian architecture.

This remote mountain shrine is one of the most sacred Zoroastrian temples remaining in the world.

This steamship has been beautifully rusting off the coast of an Iranian island since the 1960s.

The largest covered bazaar in the world.

Leaking natural gas never stops burning on this hill, making it an infinite inferno.

Colorful mineral deposits turn these mountains into an Impressionist fantasy.

Two Chinese dragons guard the caves of this medieval temple in Iran.

Iranian tombstones shaped like male and female sexual organs.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

This beautiful system of tunnels built into natural rock serves as a centuries old plumbing system.

Hydraulic systems in an ancient underground Iranian city.

These little castles each held thousands of pigeons.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

This lake in northwest Iran has started turning from green to red more frequently than scientists are comfortable with.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

The colorful soil of Iran’s "Rainbow Island" attracts artists and nature lovers.

The hottest, driest, and most scenic desert on Earth.

The vertical-axis windmills of ancient Persia have been grinding flour for 1,000 years and counting.

A sophisticated astronomical tower built by one of the greatest Persian scholars of the Islamic Golden Age.