An incredibly well-preserved piece of ninth-century Viking poop.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

This brilliant display of whirling fireballs celebrates Hogmanay.

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

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

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

The first archaeological site discovered by aerial photography.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

An ancient woodland that inspired a young J.R.R. Tolkien.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

An enigmatic natural rock formation with a manmade passage cut through the center.

What was once England's second-richest abbey is now a haunting ruin.

Artists have long been drawn to these atmospheric 12th-century ruins.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

London's marvelous wildfowl reserve along the Thames.

A remarkable medieval structure born from a 14th-century disaster.

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

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

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.