Op-art architecture designed for happiness.

The beautiful baroque library of the Hapsburg empire.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

"There's nothing there," and other lies the KGB told us.

One of the world's tallest statues is also one of its most hated.

A charmingly old-fashioned reminder of the historic building's former life.

A bronze kitty adorns the grave of the polar explorer who brought the original feline to the Antarctic.

France's most famous cemetery, with some of its most curious tombs.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

This small museum is basically a time capsule of daily life in the Soviet Union.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

A city block packed with whimsical sculptures that seem to be plucked from a tiled fantasy world.

An unusual collection of self-made musical instruments and unique noises.