A huge musical instrument played by the ocean.

Walk 2,300 feet above the ground on the "Troll's Tongue."

This giant boulder is pinched over a 1000-meter abyss by two mountains.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

These rugged, color-stained mountains hold the secrets of the Kazakh desert.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

Mysterious spherical rocks in the semi-desert of western Kazakhstan.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

A brilliant turquoise lake in the mountains.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

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

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

Tracking the 1,500-year history of Korea's star cabbage.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

If you dare visit this fort, fire-breathing hyenas might devour your camels.

The best-preserved beehive tombs in Oman with spectacular backdrop.

An abandoned mountain village in Habib surrounded by walnut, apricot, and pomegranate trees.