The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

A museum dedicated to the history and exploration of both popular music and science fiction.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

London's Victorian Tower of Babel.

This Australian beach became famous when Prime Minister Harold Holt disappeared from its shores.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A clear example of the process of erosion in action.

An incredible garden taking over the interior of a massive sinkhole.

A massive metal lobster welcomes tourists to a roadside restaurant.

Wild seas have created two spectacular formations just a stone's throw away from each other.

Inside this magnificent 12th-century church is one of the finest carved wagon-roofs in all of England.

The oldest residential street in Europe also features an optical illusion.

This astronomical clock is the second oldest in England.

Catacombs turned marketplace.

This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

This classic photo booth was saved from destruction by the local community.