This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

This historic railway museum may have lost its passengers but not its love for trains.

Glacial erratic or man-made dolmen? It probably wasn't druids.

This 220-year-old house is a reminder of New York City's Dutch past.

The site of the deadly Triangle Shirtwaist Factory Fire.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Built to bless whalers before their voyages, this Massachusetts church now features a ship-shaped pulpit.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

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

The final resting place of New England's last "vampire."

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

This futuristic German television spire is actually the world's largest digital clock.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

The stones of this formerly witch-obsessed castle were used to build a church.

Unable to build support structures on glaciers, the engineers for this tramway were forced to design a unique system.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.