A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

Have a seat with the father of modern computing at this Manchester monument.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

This frozen-in-time summer home outside Moscow provides a look at Russian life in the 1950s.

19th century tunnels burrowed under Liverpool.

This colossal war machine is now a living museum dedicated to underwater warfare.

The Isle of Wight’s “Island Line” serviced by former London Underground trains from the 1930s.

This foolish Victorian sea fort was converted to a deluxe hotel.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

Tour the sci-fi-esque reality of governmental disease management.

This German "living museum" is maybe a bit too immersive.

An ornate century-old elevator still connects the two halves of Bad Schandau.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

This East German military command bunker was ready for World War III.

An important landmark in the history of algebraic logic.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

An extraordinary mechanical calculator designed by the mathematician and philosopher Gottfried Leibniz.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This "floating railway" is one of the world's oldest monorail systems.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.