When the plague struck York, this stone was used to leave supplies for the sick.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Hidden beneath the streets of London is a secret subway that only carried mail.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

The largest fountain in Bratislava.

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

It houses the remains of a 17th-century version of the Titanic.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

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

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.