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

What looks like a birch tree smushed between two pieces of glass often confounds commuters.

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

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

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

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

One of the world's oldest continuously operating meteorological stations sits on a hill in Stockholm.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

Inside this church, a monument honors the first burial site of the famed philosopher.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

Stockholm's deepest subway station is also a stunning ecological wonder.

This unique sculpture is often overlooked by pedestrians.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

A man has revenged his true love's betrayal through tears and stone genitalia.

One of the world's first dedicated bank buildings in the world is now the oldest one.

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

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

Stockholm's tiniest statue is of a small boy looking at the Moon.

This legendary dessert was served to Nobel laureates for decades.

Maybe the only restaurant in the world where your seat will be signed by a Nobel laureate.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.