Old Tudor home moved on thick iron rails to a new spot.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

The world's biggest version of the popular Swedish souvenir.

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

A domino effect created with Britain’s iconic telephone boxes.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The private train station King Leopold II built for the Belgian royal family now lies abandoned.

A replica of a 17th-century map of the stars stands in the courtyard of a Belgian university.

A fascinating and enormous collection of natural history exhibits stained by a dark colonial legacy.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A collection of weird and wonderful art fills a former houseplant nursery.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

A wonderfully kitsch bookstore the size of a supermarket.

A little sculpture with a large wardrobe.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

High winds can make this one scary landing.

A memorial to Wellington's well-loved, well-traveled wharf dog.