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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

This commercial and retail center was crafted from walled military barracks.

In England, an 18th-century water-powered workshop still stands.

This magnificent mural was created with over 30,000 colored bricks.

Three memorials honor the victims of the worst sports stadium disaster in Britain.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

A tribute to the women who quietly kept the local steelworks alive during both world wars.

Amidst towering office buildings, a local pub lives inside Sheffield’s oldest surviving domestic building.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

This iconic building was founded as a school for the impoverished, but became one for the sons of the local gentry.

The longest and steepest staircase locks in the United Kingdom.

The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

This tiny watering hole claims to have the smallest bar counter in Europe.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

This nondescript building hides an entrance to an underground nuclear tunnel system.

The small bright red pillar survived the 1996 Manchester bombing virtually unscathed.

Be on the lookout for the symbolic insect all over the city.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.