The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This disused Cold War bunker has been restored to all of its early 60s glory.

The little-known second castle that William the Conqueror built in York.

A hundred copies of Antony Gormley's naked body stare out across the water.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A thousand year old oak tree survives in Liverpool.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

An unusual round church in London with a Templar past.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

London's old-school healing garden.

Pop culture has helped to keep this iconic British building from being destroyed.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The remains of Crystal Palace Great Exhibition of 1851.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

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

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A French museum of wrought iron.

An ancient ossuary in Rouen.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.