Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A smoky doorway in Dakar leads to one of the city’s great communal eating experiences.

Journey through a mesmerizing array of board games inside this museum.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A forgotten "city of water" underneath the famous Trevi district.

Gods clash with machines in a power plant regenerated as a museum.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Architectural monsters are devouring this palace's every door and window.

The final resting place of the poets Shelley and Keats.

Architectureal fantasy quarter of Rome.

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

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Commonly acknowledged as the only public monument to the Devil himself.

Something's watching you.