A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The world's largest rotating world.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

Home to items never before seen by the public.

This hilarious English intersection is an automotive whirlpool.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This 19th century granite fortification is one of the most well preserved forts in New England.

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Climb inside an iron crystal magnified 165 billion times its normal size.

The UK's oldest theme park slowly slips away.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Famously misunderstood wonder of the ancient world

The largest stone circle in the world has ended up bringing up more questions than it has answered.