This hulking behemoth is actually five interconnected towers built in the 1960s.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

A pair of gigantic baby heads greet passengers at Atocha Station.

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

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

A lush indoor jungle fills this bustling Madrid transportation hub.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An ancient Egyptian temple in the middle of Madrid, Spain.

The clever workshop that has been designing some of the most unusual coffins imaginable.

An enormous public square and parade ground built to celebrate Ghana's independence.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

The world's largest frame offers spectacular views of the city's past and present.

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

The potters' quarter is packed with artists sculpting clay gods with mud from the sacred Ganges river.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Where commuters walk through remnants of an ancient Greek necropolis.

An ancient octagonal weather station named for the eight Greek gods of wind.