This ancient Irish tower could easily have stood in for Rapunzel's prison.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

The largest greenhouse in the world is home to over one million types of plants.

Site of the first hot air balloon flight conducted by the first English balloonist.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

Hidden in plain sight, this creepy sculpture watches from above.

This 11th century tower is said to be the oldest building in Oxford.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

This slice of 1960s Danish modernism does not conform to the Oxford college stereotypes.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

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

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

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A Turkish ghost town abandoned in a population exchange with Greece.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

Fortified medieval tower house with lovely roof garden.

These medieval skyscrapers dominate the skyline of this small Tuscan town.