Eighty million natural history specimens call this gargantuan museum home.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Hear the quietest sound from across the dome.

A little slice of Japan and its aesthetics in London's Holland Park.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

This centuries-old rooster survived a devastating fire.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

Sweden's oldest animated sign is still lighting up the skyline today.

Stockholm's narrowest alley is barely over two feet wide.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.