Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

A historic Georgian building and warm springs.

This poignant WWI memorial looks like a lighthouse 100 miles from the sea.

A giant gleaming memorial named for a coal miner who gave his life to the pits.

Where, exactly, the great aviator completed her transatlantic flight has caused some trouble in Wales.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

In an arboretum with hundreds of memorials to the fallen, this one might be the most poignant.

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

This restored 17th century "conduit house," often mistaken for a watchtower, actually supplied water to nearby Bolsover Castle.

These crude contraptions were used to aid in the mining of lead, silver and gold.

This Colombo wetland is an unlikely wildlife haven just outside the capital city.

A collection of early 19th century trams set in a reconstructed period village.

Climb to the top of this windmill for a scenic panorama and up-close look at wind energy production.

The world's largest collection of preserved trolleybuses.

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

This lovely ancestral home inspired the author D.H. Lawrence, and features a tunnel made out of a living willow.

Possibly the oldest masonry dam in all of Europe.