Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

You can still walk across this beautiful medieval bridge in Andorra.

At Bank station, the tunneling shield that built the original Waterloo & City line tunnel is hiding in plain sight

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A massive sea stack famous for its appearance in The Goonies.

The largest municipal cemetery in the United Kingdom and the second largest in Europe contains some of Manchester’s biggest characters.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

During World War II, locals rallied together to buy this plane to support the war effort.

Where a plague-quarantined village left vinegar-soaked coins for supplies

Fragments of a Roman city gate embedded in a building on Lincoln's Steep Hill

A remnant of the Mulberry Harbour from the Normandy landings of 1944 is still in use, miles from the beach.

A spectacular pothole (pit cave) in The Yorkshire Dales, the home of British vertical cave exploration.

An example of early 20th century gender segregation

Amazing tiled map mural showing the lines of the famous Lancashire and Yorkshire Railway, incorporated into the war memorial after WW1

Before this fine stone viaduct was built, trains ran across a rather wobbly wooden trestle, and the original abutments are still there.

The farmland on the old Isle of Axholme is one of only 4 places in the UK where the medieval practice of strip farming still persists.

The bridge which will eventually overcome the barrier to the unification of two heritage railway lines which both claim the Great Central Railway's illustrious name

Closing the station left a big hole in the ground. So they put in a shopping centre, a block of apartments and bus station over it and the largest undercover car park Europe in it.

This former monastery or convent is now, in part, a boutique hotel, but the church linked to it is intact.

A historic engineering feature in a spectacular setting leading to a hike through the Spanish "Colorado" up to a geological wonder on the plateau above.

This tranquil urban park has a violent history.

Four unusual buildings of similar shape which were once important to the local agriculture