A brush maker used his factory to protect blind Jews from the Gestapo.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The forest hides a cemetery where members of the British Legion rest in peace.

This fountain was designed to honor the man who helped bring water to Barcelona.

A fantastic Christmas tradition where defecation meets the manger.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Stunning Roman aqueduct used for 1900 years and still standing.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Copenhagen's celebrated theme park and gardens.

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

Positioned outside a church, this sinister folkloric figure incited protests in both 1902 and 2002.

Once a meeting point for great thinkers, and the midpoint of the country.

Site of the first radio and telephone broadcasting companies in Copenhagen.

The history of West London’s water supply.

The extra platform at Gloucester Road has been used for art displays for over 25 years.

The last vestiges of a magnificent Victorian-era train station can be found in this pub.

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

The world's longest continuously running show has played at this small West End theater since 1974.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

This Underground station has been a popular filming location for decades, even before it closed.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.