Marvel at the opulent Art Nouveau interior while dining on dirt-cheap French classics.

One of Jeff Koons’s largest sculptures and his first commemorative work.

The oldest stone house in Paris was built by its most famous alchemist.

The final resting place of the "father of special effects."

The tomb of history's greatest potato promoter is surrounded by tubers.

The narrowest street in Paris.

The first green space constructed on an elevated viaduct.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

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

An important landmark in the history of algebraic logic.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

This supermarket offers shoppers a window into the past alongside their groceries.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

Drink among marionettes at this pub inside a historic puppet theater.

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

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

This Byzantine Church was moved from Paris to Athens block by block.

This abandoned shopping arcade has new life as an art installation.