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.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This tangled English forest looks like something right out of a fairytale.

The longest hedge maze in the world.

Hear the quietest sound from across the dome.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Famously misunderstood wonder of the ancient world

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

This 1920s Dutch barge is now a floating bookstore.

A tongue-in-cheek arcade where the games are based on everyday life.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

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

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

The summer home of the largest colony of bats in the world.