A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Paris' linguistic guide to the international language of, yes, love.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

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

This small corner bar is home to a rare 1930s dance organ that still plays tunes for one Euro.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A man throwing a giant severed hand towers over Antwerp’s main square.

To enter this cluttered-yet-cozy sanctum of Belgian brews, ring the bell and tell the gatekeepers you've come “to taste beer.”

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.