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

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

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

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.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

According to legend, this tomb holds the secrets to time travel.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This ancient Egyptian obelisk still bears the wounds of World War I.

The medieval woodcut-style artwork chronicles life in medieval London.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

This coffee shop lies hidden beneath a historic church.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A six-ton wedding present for the King of the Scots.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The most loyal of little dogs, or a Victorian era publicity stunt?

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

In 1990, this 37-foot red steel bottle sailed from New York to England.

A mysterious shape catches the eye in this 16th-century painting.