A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

The designer of this railway tunnel added a birthday present for himself.

A letterbox installed specifically for the first editor of the Oxford English Dictionary.

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

Fifty years of contamination in Scotland's waters.

Estimated to be more than 5,000 years old, this yew may be Britain’s oldest.

This tall stone wall with no door and ill-matched windows was built centuries ago, and used as a shelter for domesticated pigeons.

Several land speed world records were shattered at this Welsh beach.

Quirky Welsh observatory unites art and science.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Three bridges straddle a stream, one stacked upon the other.

A giant dish used in this village's long tradition of baking absurdly large meat pies now serves as a flowerbed.

Eat and drink at a pub older than the Magna Carta

This tiny business claims to be "the smallest pub on the planet."

Take afternoon tea in a 17th-century almshouse.

Competitors race wooden replicas of pungent blue cheese.

At this snack-shack in the bucolic British countryside, you can still get a slice of socialism with your spot of tea.

At this historic pub, you can sit back, sip, and watch a whole century go by.

This restaurant's specialty is "a major enigma for food historians."

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

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

This giant wooden treehouse within a sprawling garden has its own eatery.