This church also serves as a lighthouse complete with a beacon.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Charles Babbage's proto-computer, painstakingly brought to life.

This museum inside a museum tells the story of London's timepieces.

A clock designed to run with perfect accuracy for 10,000 years.

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 winding road through an Italian canyon may be the most scenic drive in the world.

A wonderfully versatile natural history curio cabinet preserved since the 1840s.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Designed to commemorate the king's coronation.

A spitting ode to a German serial killer.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

It's said this was once the home of King James V's pet lion.