This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

The longest and steepest staircase locks in the United Kingdom.

A humble homage to a gravedigger tucked within the dignified English cathedral.

A clumsy-looking flying locomotive rusts within sight of a busy rail station.

The intended purpose of this unfinished Elizabethan building remains a mystery.

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