In the ancient Woolley Woods, an art project promises access to new worlds.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

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

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

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

The phone booths in this English town have distinctly milky hues.

This mummified mermaid corpse is an aquatic curio that was eventually revealed to be a fake.

This quaint funicular has been ferrying people up and down an English valley since the Victorian era.

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.

A museum devoted to the science of color.

The remains of a remote village that once housed over 1,200 dam workers and their families.

England's largest white horse isn't even white.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Reputedly based on the tomb of Jesus Christ, this crypt is the oldest surviving structure of any cathedral in England.