This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

An old abandoned pharmacy building in Texas is brimming with collectibles and images of the little tuxedoed pooch.

Public access to clean drinking water was an instant hit among the masses.

This concept building is the UK's first attempt at making a permanent structure of nothing but trash.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

This Scottish bridge seems to compel dogs to leap to their death.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

This surreal art house looks like a geometric version of a small chapel.

This skewed English house has looked like it's going to fall over for centuries.

Two women with a flair for both adventure and artful clutter created this singular round home.

This tower in a small Polish village uses the power of a sacred bell to ward off mischievous weather spirits.

This Toronto garden collects stares and tchotchkes in equal measure.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

In the hinterlands of Serbia's capital, a giant reflective mushroom houses an aeronautical history of the former Yugoslav republic.

A cheeky architectural easter egg.

Rome's semi-secret peephole vista is also a former Crusader stronghold.