Some of the smallest works of art in existence.

This massive blockhead sculpture hides an entire library.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Designed by the architect who also had a hand in crafting the Westminster Abbey and Bristol Cathedral.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

An artistic tribute to the famous singer, just around the corner from where he was born.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

The modern birthplace of Irish freedom.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

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

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Self-mummified monk who wears sunglasses and has become a gecko hatchery.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.