One of the newest mosques in a city filled with thousands.

Iran's "Rose Garden Palace," built during 131 years of rule by Qajar kings, consists of 17 stunning structures.

One of the world's largest shopping malls covers an area of 15 million square feet—and it's still set to grow.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Cold war icon and onetime "hole" in the iron curtain.

Check the time in 145 countries at once with this East German relic.

An early 20th-century bullring converted into a modern shopping center.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

This cannonball has been lodged in the church wall since a 1695 bombardment destroyed the city center.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

A largely overlooked statue that may commemorate the first publication of 'Don Quixote' outside of Spain.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

A little sculpture with a large wardrobe.

Belgium's national heroine turned spy sacrificed her life to combat German occupation.

This huge limestone slab is considered the largest paving stone in Belgium and a relic of the earliest modern paving in Brussels.

When you're a great Russian Tsar, even your vomit gets a statue.

University pranksters set up this jumble of telephone poles and steel wires overnight

Four giant movable street lights decorate this modern Rotterdam square.