A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Berlin's old airport.

Legends say this red sandstone monolith and the dozens of smaller boulders that surround it were once a coven of witches—before a Scottish wizard turned them all to stone.

A series of idealized caves carved to entertain guests.

Stonehenge has nothing on Castlerigg’s views.

This unusual sculpture is sometimes partially, sometimes fully, submerged.

A 2,000-ton rock resting in a state of a delicate balance.

The first museum in the United Kingdom dedicated to this woodwind instrument.

This gorgeous space is England's largest independent library outside of London.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

Huge winged monument in the United Kingdom.

Remarkable medieval wall paintings decorate this 12th-century, dog-friendly church.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

A museum pays tribute to the glass-making industry of Sunderland.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

Locals affectionately dubbed this World War I memorial "Tommy."

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

A perfectly running 230-year-old silver automaton and music box.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

A locomotive made from 185,000 bricks celebrates the town's pioneering railway history.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

The oldest candy store in England has been selling traditional sweets since 1827.