Large Hadron Collider and the Birthplace of World Wide Web.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

The middle finger of modernity.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

150-year-old satirical tableaus made from stuffed frogs.

Anatomical cabinet holds unexpected treasures.

Europe’s oldest natural human mummy.

David Sedaris called it "The greatest shop in the world."

A haunting collection of the vanished and disappearing natural world.

The history of radiation is on safe display at the foot of a radiation science laboratory.

France's national museum of scientific and industrial instruments.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

The longest hedge maze in the world.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Museum celebrating the history of computers, especially their role in codebreaking.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

The monster at the center of the Darwin Center Spirit Collection.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The anatomical-pathological collection of a man who changed surgery.

This zoological museum began as the first great curiosity cabinet.

Shop of curiosities with a dinosaur museum tucked in its basement.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Peek through a transparent pyramid and drink in the mountain made of books.