Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

Amsterdam's former hotspot for public executions and dissections.

Widely advertised as Amsterdam’s narrowest street, this passage was once a highlight of the Red Light District before its windows closed.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

Abandoned ship reimagined as a street art canvas.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

World's largest working waterwheel has been around for over 150 years.

The last Oostende trawler to fish off Iceland is now a museum.

A piece of the front end of a British cruiser that was used as a block ship in World War I.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

Though Guinness took away its record, Romedenne’s 1998 wheelbarrow remains the biggest of them all.

Resting peacefully between two majestically-slanted trees, this roadside water trough circulates water peacefully.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

A floating cat sanctuary on an Amsterdam canal.

A former ironworks that was the first UNESCO industrial site.