The gorgeous murals at this open-air museum form the largest street art collective in Chile.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

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

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

The Devil’s own choice when he needs a drink in Brussels.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

When the rain falls, this drain system turns into a musical instrument.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

A ruined castle stands atop a hill surrounded by dragon lore.

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

A beautiful young girl said to have been buried alive in her coffin…

A tower devoted to — and modeled after — the Divine Comedy.