The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Eighty million natural history specimens call this gargantuan museum home.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

An unusual manor of stunning beauty, born out of a crippling disease.

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

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

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

This Scottish bridge seems to compel dogs to leap to their death.

Largest lake in Great Britain measured by surface area.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

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

Iceland's tribute to its thankless civil servants.

A vintage video game wonderland in downtown Reykjavik.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.