Editor’s Note: Editor’s Note — CNN Travel’s series often carry sponsorship originating from the countries and regions we profile. However, CNN retains full editorial control over all of its reports.

An explosion seen off the Caspian Sea on July Fourth was attributed to a mud volcano eruption. Gavriil Grigorov via Getty Images A mud volcano erupted on an island in the Caspian Sea about 46 miles ...

NASA recently found an island that suddenly appeared in the Caspian Sea. The 'ghost island' has been playing hide and seek ...

A mysterious new island emerged in the Caspian Sea following the eruption of the Kumani Bank mud volcano, located approximately 25 kilometers off the eastern coast of Azerbaijan. Satellite images ...

A towering pillar of fire in Azerbaijan's energy-rich sector of the Caspian Sea late Sunday was caused by a mud volcano, according to the country's Emergencies Ministry. (Bloomberg) -- A towering ...

Atlas Obscura on Slate is a blog about the world’s hidden wonders. Like us on Facebook and Tumblr, or follow us on Twitter. Half of the world’s 700 mud volcanoes—oozing, gurgling mounds of ...

Environmental graffiti visits Azerbaijan's mud volcanoes and says they are a sight to behold. The blog says that in 2001 one of the country's 300 mud volcanoes spewed flames 49 feet high. Global ...

A massive explosion was seen in the Caspian Sea on Sunday — capping off a big weekend for apocalyptic ocean fires. The blast occurred near Azerbaijan where the country’s government owns a number of ...

My first trip out of the US — three months in Israel working on a kibbutz — turned me into an avid globetrotter. Over the ensuing years, I visited dozens of countries, spanning six continents. In ...

(CNN) — Stretching to the horizon, the gray-white earth rises in peaks like a well-whipped meringue petrified into mud and rock. A keen wind whips these otherworldly hills, while the land underfoot is ...

We start our tour beside the mouth of Deveboynu volcano, or “Neck of the Camel.” The land around is parched, but inside the crater, a muddy slurry — called mud breccia — is bubbling gently. The hills ...