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

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

The television series' iconic giant foot was borrowed from this classical painting.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

This coffee shop lies hidden beneath a historic church.

This historic London residence was once the womb of Scientology.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

These ornate arches show how the course of the River Thames has changed.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The curios of pharmacist and collector Henry Wellcome.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

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

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A collection of machines designed to break things for science.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

Murals of the wild parties once held on the frozen River Thames.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.