This free, take-a-book shop seems like a trick but isn't.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The trials and tribulations of marking Poe's grave.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

The final resting place of one of the United States's greatest poets.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

Step inside Lucy, the world's largest "elephant."

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

The highest peak in the state of Vermont has some interesting features.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

The bears may be gone, but their old cages can still be found.

This hidden labyrinth offers walkers some brief peace of mind.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

Impossibly life-like natural history models created out of glass by a father and son.

"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."

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.