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

An architectural oddity hides in plain sight on this iconic London bridge.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

A memorial for public executions that dates back to the 14th century.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A bronze sculpture of last Sikh maharaja of the Punjab, outside the English estate where he once lived.

This 15th-century fortification was built to defend bunnies.

An abbey dedicated to St. Mary, and homed Canon Regulars following Premonstratensian rule.

Unusual British home built to disguise a water tower.

This massive metal scallop is a tribute to an English composer who once walked across this beach.

One of the best preserved Tudor public buildings in Britain was once used for witch trials.

Blaxhall's burgeoning boulder can't help putting on a few extra stones.

Long before wi-fi, this public seat provided the wonder of being online while outdoors.

One of few vertical lava tubes in the world accessible by foot.

This striking steel sculpture transforms environmental data into art.

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

An unlikely connection between a little English town and the most famous brand of American motorcycles.