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

A clock designed to run with perfect accuracy for 10,000 years.

All that remains of the medieval palace of the famous "Black Prince."

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

This amazing 15th-century mural remained hidden in plain sight for centuries.

The last water-powered beam pumping engine in Britain.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

These quaint cottages feature built-in signaling devices for fishermen.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The world's shortest street was created by an awkwardly placed hotel.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

Perhaps the smallest monument dedicated to one of Great Britain's longest serving monarchs.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

A remembrance of the local Scottish victims of the Lockerbie Bombing Incident in the now-restored neighborhood.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

Banksy gives themself artistic license with this piece of London street art.

This life-size monument honors the legacy of a famous literary feline.

Taxidermied animals galore, by appointment only.

An unassuming London park is actually a pilgrimage site for modern clowns.