The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.

This vast, water-filled underground labyrinth can only be toured by boat.

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

Ancient structures used to make and preserve ice in the deserts of Persia.

A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Iran's colorful terraces are a rare geological masterpiece.

The palace of the King of Kings, burned by Alexander the Great.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

Qshla Koya is an Ottoman fortress located on a hillock in the central quarter of Koya.

A 2200 year old vessel may have been able to keep a charge.

A giant bisected onion dome remembers the Iraqis who died in the Iran-Iraq War.

Giant reed houses made in the marshes of Southern Iraq.

The sacred shrine of the Yazidis.

This beautiful arched gate is all that remains of the fortress the ancient mountaintop town of Amadiya once was.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

Underwater restaurant at the coral reefs of Eilat.

It took a lifetime to collect these mechanical musical wonders.

An elegant garden commemorating the 1841 visit from apostle and missionary, Orson Hyde.

A stunning mosque owes its design to an Ottoman ruler nicknamed "the Butcher."

The abandoned shell of what would have been the Jordanian royal family's summer palace.

One of only three fountains created by the iconic architect Friedensreich Hundertwasser.

In a small town outside Jerusalem, a roadside diner is devoted to all things Elvis Presley.