400-year-old garden, restored to beauty.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

A 14th century castle built on the seat of a mighty giant.

These picturesque ruins crumble beautifully into the ocean.

The most northern place on the mainland of Great Britain.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

This Scottish burial tomb once held hundreds of ancient eagle bones.

Human-made caves excavated to hide a secret society of wealthy pagans.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This unusual geoglyph was built as a warning so low-flying aircraft wouldn't scare the zoo animals.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

A reportedly haunted 14th century church is curiously facing the “wrong direction.”