The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

A remarkable feat of Victorian engineering across the Firth of Forth.

A sweet symbol marks the place where torturous executions were once carried out.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A monument with a strange legend involving a horse's tongue.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

The tallest freestanding structure in the United Kingdom.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

London's marvelous wildfowl reserve along the Thames.

The house in the middle of the motorway.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This curious, round temple is the oldest still-standing marble building in Rome.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This plaque commemorates an amazing 19th-century sea rescue.

The recreated ruins of a house designed to memorialize a World War I shelling on the town.

This library dates back to the late 17th century and was one of the first public lending libraries in England.