An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

It's believed this golden brick is part of the legendary lost Aztec treasure.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

The only castle in North America to ever house European sovereigns.

This mountain trail inspired Nietzsche to complete his magnum opus.

This saucy statue once caused outrage among locals.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

An ancient capital city that dates back 3,000 years and harbors many surprises.

A more chill but no less fascinating version of the famous ancient archeological site.

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

The only quarter of the Old City not dedicated to a major world religion.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

With over 10,000 lights, this engineering marvel lights up the city after dark.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

A fountain standing as a testament to a doomed alliance.

A marvel of Byzantine engineering under the streets of Istanbul.

1513 Turkish world map, full of European state secrets and snarky commentary.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.