These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Dictionary Johnson’s favorite feline.

A modern English garden of eccentric beasts, follies, and oddities.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

Surreal riveted sea forts once protected the Kent shores from German attack.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

Artists and musicians now rule over this former rail station.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

A unique waterfall that some believe attracts the fairfolk.

This coffee shop lies hidden beneath a historic church.

400-year-old garden, restored to beauty.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

A fantastic castle rumored to be the birthplace of King Arthur.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Northern Ireland's Brobdingnagian stepping stones.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

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

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.