This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Notorious artist squat renovated into legal studios.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

A towering baroque basilica jutting out of the French countryside.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This statue honors the thousands of Allied avians that served and died for France during World War I.

Forget the hearse ‘cause he’s forever immortalized in a Belgian city where AC/DC performed a secret gig that pushed them forward.

A monumental toilet that is also host to rare plants.

This Belgian observatory bears a striking resemblance to Futurama's Planet Express building.

An installation that makes understanding the size of the universe a walk in the park.

The former home and studio of Belgian artist Antoine Wiertz is now a museum dedicated to his work.

A mural recalls a fictional woman who once lived at 23 Quai du Commerce, 1080 Brussels.

Not many houses move across borders, this one did it twice.

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.

Nicolas Schöffer's massive interactive sculpture was assembled in 1961 and brought back online in 2016.

This heavily worn bas-relief was once an honored fertility symbol.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Petting this mysterious iron monkey supposedly brings good luck.