A scattered trail of street art adds a pop of color to the city's stark structures.

The cedar tree in Highgate Cemetery earned its title by accident.

Catacombs turned marketplace.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The broken skateboards that became a poignant memorial to a murdered skater.

Go surfing on this urban wave, "hacked" by local surfers.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A cluster of headless, armless sculptures looms within a popular Polish park.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.