A pair of connected skyscrapers form this symbolic gateway.

Eat like a bird in a bamboo nest.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

This mural painted by Keith Haring was done without payment as a gift to entertain the children at the Hôpital Necker.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

A surreal botanical garden with an even more surreal tour guide.

A well preserved medieval fortress in Vojvodina.

Drink and learn at this striking ode to coffee culture and history.

Handsomely crafted representations of our round planet.

A spherical "micro-nation" in the heart of Vienna.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Museum devoted to the artificial language of Esperanto.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The house that took a plunge into the facade of a museum.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.