These airport hangars are now a bustling shopping center with only hints of its past still lingering.

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

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

A traveling Bronze Age sacrificial stone that was used to honor elves, fairies, and other woodland spirits.

This stone obelisk is a relic of the 17th-century Swedish mile markers.

The final resting place of the man whose name has become synonymous with greatness.

This railroad track was so secretive that it was omitted from all maps.

This small statue hints at the incorrect origins of the lush landscape park surrounding it.

A tombstone on the grounds of the royal castle marks the burial site of a Swedish king's beloved dog.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.

Tucked away in a downtown Stockholm park are the remains of a World War II defense position.

An ancient tree that was once the favorite of a young Swedish royal.

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

The world’s first penitentiary, meant to be humane, drove men insane.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Zastava automobile sculptures and images grace various gravestones in this cemetery.

This spa park features an open-air museum of abstract marble sculptures.

This statue became the mascot of Vrnjačka Banja after Games Without Borders made a stop in this town.

This art installation pays homage to the famed stones of European lore.

This beautiful medieval Serbian monastery is home to frescoes, peculiar sculptures, and historical curiosities.

This historical village takes you back to the 19th century.

A museum dedicated to the former country.

A hidden stream deep in the mountains creates one of the largest tufa waterfalls in Serbia.

This 15th-century Serbian Orthodox monastery also contained a school for illuminating manuscripts.