Medical and zoological curiosities for sale.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A bizarre house filled with an astounding array of collections.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

An emerald-green grotto just a short trip from Austin.

A snapshot of the city's fascinating voodoo culture.

Tucked in the back of this amazing antique store is an important piece of medical history.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A huge resale shop for the cast-offs of the film & television industry.

A veritable variety of odds and ends.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Unusual books about food and drink abound in this 19th-century New York townhouse.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

Historical figures from New York City's Catholic community reside in Midtown.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

Unrepaired walls from a 1920 anarchist bomb attack.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The famous author's cottage hideaway.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.