Elaborate patterns adorn the city's disappearing traditional architecture.

One of the most remote and isolated villages on the Arabian Peninsula.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

A nearly abandoned Jewish settlement perched atop a hill in the heart of Yemen.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.

The tallest minaret in Yemen is 150 feet high and entirely made of mud.

The remains of a Zoroastrian temple that bore witness to a time when Aden was a flourishing trading hub.

This giant underground cave chamber can only be accessed through a small opening at the top.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.

Nature's water park in the Wadi Bani Awf valley is full of pools flanked with cliffs and natural water slides.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.

This bazaar is one of the oldest in the Arabian world.

This spectacular mosque houses the second-largest chandelier in the world.

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

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

The most sacred Jewish shrine in Iran and a fine example of restoration works gone wrong.

The site where the Emperor of Korea performed the long-forbidden "rite of heaven" to demonstrate his absolute sovereignty.

The largest cluster of the Joseon dynasty’s royal tombs, home to the burial sites of 17 kings and queens.

Booksellers and public artworks fill this vibrant promenade along the disused railroad tracks.

120 mortarless pagodas built by one Korean hermit.

The only wooden pagoda remaining in South Korea is part of a Buddhist temple that was established in the year 553.

This grand temple complex from the Old Silla era of Korea is home to a stone pagoda that was build in the 7th century.

This human-made pond is part of a Korean palace complex first built in the 7th century.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."