Largest lake in Great Britain measured by surface area.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Home of the Large Hadron Collider and the birthplace of the World Wide Web.

Macabre astrological automaton clock dating to the late 1400s.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

This chimerical bridge/tunnel appears to dead end right into the sea.

Single runway interrupted by a busy road that cuts across its middle.

An early 20th-century bullring converted into a modern shopping center.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

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

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

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

Accessible only at low tide, the deserted island is dotted with World War II ruins.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

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

Over time, this castle grew to encompass the entire island.

An optical Illusion once believed to be an electrical phenomenon.