This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

The official meeting point for the oddly named governing assembly of ancient Sweden.

This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

Legend says this fabled well held part of a mythical Norse tree.

Ancient burial grounds of the wealthy.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

A rare rune stone dedicated to a woman.

A large collection of ancient runestones decorates this university courtyard.

The second-largest collection of runic calendar staffs in Sweden.

The second oldest anatomical theater is housed in a museum of curiosities.

The first thermometer made with the almost-universal temperature scale is backwards.

The final resting place of the father of modern biological taxonomy.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

There's something in the air as history repeats itself at this museum dedicated to the Swedish pop band.

An abstract representation of weather in Sweden.

This Stockholm art museum integrates many of its pieces into the surrounding outdoor areas and natural landscape.

A golden egg-shaped sauna in the Arctic tundra.

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

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

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