A geological oddity topped with a 2,000-year-old pagan temple.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

Resonant stone, that has been played since prehistoric times.

A colorful and enigmatic cemetery in the middle of nowhere.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A massive collection of petroglyphs dating back some 40,000 years.

A gigantic collection of teeny, tiny books.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Mysterious hillside with a continuously burning natural fire.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

The place where World War I began.

Oriental bazaar in the heart of Sarajevo.

The first mosque in the world to receive electricity.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

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

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

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.