One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

Next to the Malaysian Prime Minister’s office stands this rose-colored mosque.

Not far from the bustle of Kuala Lumpur is an amazing waterfall that navigates seven vertical drops.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

After being bombed and largely abandoned, this former railway workshop has been transformed into a lively market space.

Cartoon clouds and nature-inspired murals have transformed the streets of Kuala Lumpur.

Kuala Lumpur’s historic single-screen cinema, transformed into a labyrinthine bookstore.

An interactive back-alley mural project remembers the golden age of Kuala Lumpur’s Chinatown.

Museum in a swimming pool where the water still flows.

This statue honors the thousands of Allied avians that served and died for France during World War I.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

This monastery set over a holy cave contains the oldest known painting of Saint Francis of Assisi.

Two massive boulders, rocking back and forth with the ebbing of the sea.

An industrial site turned into Hungary's most cherished natural wonder.

This weird, elephant-shaped rock also hosts two ancient tombs.

Mountain where Jesus was first tempted by the Devil.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Take a hike to this unique rock formation formed by lava flows.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

This natural sea arch highlights Ireland's rugged coastal beauty.