The longest and tallest aqueduct in Britain can actually be sailed across.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A museum dedicated to the history and exploration of both popular music and science fiction.

This riverside restaurant has been serving customers since 1146.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

A six-ton wedding present for the King of the Scots.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

The most loyal of little dogs, or a Victorian era publicity stunt?

This small museum in a 17th-century building honors three iconic Scottish writers.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The final resting place of soldiers' loyal canine companions.