A museum dedicated to the centuries-old cave dwellings that housed marginalized communities on the outskirts of the former capital of Muslim Spain.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Rare karst landscape eroded from a flat seabed.

An unconventional and naturalistic sculpture depicting the artist marking his territory on an exterior faculty wall.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

A heated statue pays tribute to one of Sweden's great actresses.

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

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

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

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

A wooden street sign is the last remnant of this 400-year-old alleyway.

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

The world's largest model of our planetary system.

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.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

One of the longest footbridges in Europe.

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

The world's largest underground iron ore mine.

This Swedish sculpture park is a unique combination of ancient ruins and modern art.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.