This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A memorial for public executions that dates back to the 14th century.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A remarkably well preserved tower dating all the way back to the Iron Age.

The unexpected mascot of Shetland's capital.

This public library still showcases its former life as a 19th-century church.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

In a city of wooden houses, this watchtower was vital for early fire detection.

Norway's oldest cathedral still in use.

A former factory now pays tribute to a local industry fueled by sardines.

An opportunity to walk in the footsteps of Nobel Peace Prize winners.

An art project designed to encourage people to explore and investigate their surroundings more closely

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

This massive monument has been telling the time for 150 years—at a slight angle.

Belfast's namesake river still winds below the city center, hidden from sight.

These engineering masterpieces are a dominant feature of the Belfast skyline.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum marks and documents the site of the Titanic's launch.

The last Victorian market in Belfast.