Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Illegal drag racing two stories beneath Chicago’s streets.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Once the path of a railway tunnel, now home to thousands of glowing insects.

Modeled after the big, ferocious Hexham Grey mosquito.

5,000 skulls in memorial to those killed by the Khmer Rouge.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

A unique seaside cave where Aleister Crowley faked his own death.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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

Traditional 11th-century outdoor tannery.

The oldest known university in the world is in Fez, Morocco.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

Single runway interrupted by a busy road that cuts across its middle.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

Giant topiary dog once played a role in a terrorist bomb plot.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

A towering monument in Spain has proven to be more labor-intensive than initially planned.