One of the world's most complex timepieces.

Behemoth, cannon-like telescope operated by generations of Irish earls.

Scotland's only funicular railway is also the United Kingdom's highest.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

From the Difference Engine to the Cray-1, all under one roof.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Follow the original medieval paths that wind through this intriguing section of the city.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A curious collection of mechanical moving figures.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

Charles Babbage's proto-computer, painstakingly brought to life.

270 million year-old forest of stone.

Traveling collection of amazing automata.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A wunderkammer of mysterious objects and stories.

The largest of London's subterranean rivers and once a mad, bad center of London life.