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

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

A gated cross stands on the site where an Irish revolutionary met his end.

This metal installation is a tribute to an ancient megalithic structure and South Yorkshire's steel history.

A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

This crumbling coast and its teetering tower are literally filled with history, but they are also at great risk of becoming history themselves.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

A massive flood devastated this seaside town, causing many to speculate about whether the government had figured out how to influence the weather.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

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.

The world's longest continuously running show has played at this small West End theater since 1974.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

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

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

Charles Babbage's proto-computer, painstakingly brought to life.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

An incarceration museum on the spot of possibly the oldest prison in England.

One part local history, 99 parts gruesome haunted house.