Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

A pagan tradition of draping trees with rags eerily lives on.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A 30-acre garden inspired by the principles of modern physics.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

This cave was the former seat of power for two brothers who ruled together as kings.

There are hidden patterns on the subway seats of some Stockholm metro cars.

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

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

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

Stockholm's last remaining paternoster elevator.

Every Tuesday, students let off steam by screaming into the night air.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

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

A Japanese video game arcade hides in the back of a Swedish pool hall.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

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

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

This Stockholm light tower can be controlled by anyone with a smartphone.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

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

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

No matter how many times this community-run sauna gets destroyed, it always rises from the ashes.