Giant, friendly pelicans in Central London, the most unlikely of places.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

A tiny, hidden alleyway dedicated to the father of meteorology.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Unconventional site where the tracks of Zurich tramcars intersect.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Holding the current title of "biggest chair in the world," it stands with little fanfare in Lucena, Spain.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The only pollutant in the clear blue water is sunscreen.

A giant Australian fruit and tropical farm.

The largest greenhouse in the world is home to over one million types of plants.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.