After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A small, but award-winning beach known for its literally spotless reputation.

This is one really big nut.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Mysterious stone tower featured in many alternative histories of the New World.

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

This picturesque abandoned home is rumored to be a spite house.

This railroad tunnel was once the longest in Massachusetts.

A tribute to the couples who brave long periods of separation during wartime.

In Gloucester, Massachussets, fishermen celebrate a successful year at sea by charging a lubed pole to capture an Italian flag.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

An eccentric inventor's castle home with its own indoor weather system.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

The oldest tavern in Lowell has dedicated fans of its fan.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

This supermarket is suspended 25 feet above an interstate highway.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

The world's largest piece of copyrighted artwork.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.