Perhaps the only prehistoric monument with its very own public bus stop.

A legendary rocking stone, returned to its clifftop perch.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

A 16th-century artillery fort built to protect England against European invasion.

On this headland lies a 19th-century lighthouse and historic gun battery.

400-year-old garden, restored to beauty.

This ruined 15th-century hermitage is steeped in myth and mystery.

Cornish legend says these ancient circles were people turned to stone for playing hurling on a Sunday.

This antique prison is a tourist attraction with a sordid past.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

This ancient stone bridge dates back to the early Middle Ages.

The abandoned fishing village was swept right into the sea.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

This striking clock tower was once part of the Singer sewing machine factory.

This tiny German village has staked claim to being the center of the union following Brexit.

One of two electrical towers in Germany that have a pathway constructed through the tower's legs.

A scale rocket of an Ariane 5 rocket serves as a monument to a pioneer of space science.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

A monument to peace, built by one man over the course of 25 years.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.