This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Bridge that died in war and was resurected.

Oriental bazaar in the heart of Sarajevo.

The first mosque in the world to receive electricity.

The place where World War I began.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

A moving memorial to the fallen and missing from WWI trenches.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

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

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

Mysterious hillside with a continuously burning natural fire.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

This splendid tomb may look fantastic, but there's nothing in it...

A magnificent collection of imperial armor and weaponry.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Op-art architecture designed for happiness.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.