A Medieval Water Tower in the Heart of Massachusetts.

This railroad tunnel was once the longest in Massachusetts.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

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

This sprawling bookstore spans four floors and has more than a million books in stock.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

The hill that gave the Massachusett tribe, and later the state, its name.

A former zoo turned public park, where visitors can hang out in the old animal cages.

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

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

A bizarre house filled with an astounding array of collections.

Unlock the secrets of the conjuring arts.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

35,000 grape hyacinths flow like water down a garden hill.

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

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