An 80-year-old house built out of newspapers.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Museum dedicated to awful artwork.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

An enormous, inside-out glass globe built in 1935.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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

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

Manatees congregate around a power plant's discharge canal where the water is especially warm.

The world's largest piece of copyrighted artwork.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

There must be a pun in this haystack somewhere...

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Copenhagen's celebrated theme park and gardens.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Old Danish castle immortalized in Shakespeare's Hamlet.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.