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Forget ‘sexy nurses’ or superheros — once upon a time, Halloween costumes were genuinely terrifying.

Our cameras explored the deepest basements and highest clock towers of New York City’s busiest train terminal, Grand Central Station.

And we want to take you on a tour. 

Obama’s “horses and bayonets” comment may have launched a thousand memes, but don’t tell Marines — they still use bayonets! Here are a few more interesting, er, points on the subject. 

Have time for a little adventure? Our cameras explored the crumbling ruins of Bannermans Castle along the Hudson River, just North of New York City.

There’s rich. And then there’s Yankees-third-baseman rich and founder-of-Microsoft rich. But when you’re talking about the richest person ever, you have to go all the way to Timbuktu in the 14th century. CelebrityNetWorth.com has assembled a list of the 25 richest people who ever lived, adjusted for inflation. Topping the list is Mansa Musa I, ruler of the Malian Empire until 1337. His net worth of $400 billion was amassed through his empire’s production of more than half of the world’s supply of gold and salt.

There’s rich. And then there’s Yankees-third-baseman rich and founder-of-Microsoft rich. But when you’re talking about the richest person ever, you have to go all the way to Timbuktu in the 14th century.

CelebrityNetWorth.com has assembled a list of the 25 richest people who ever lived, adjusted for inflation. Topping the list is Mansa Musa I, ruler of the Malian Empire until 1337. His net worth of $400 billion was amassed through his empire’s production of more than half of the world’s supply of gold and salt.

A new traveling exhibit has revealed the photos Norman Rockwell used to create some his most iconic, and most detailed, artworks.

What had a vegetarian diet, a parrot-like beak, vampire fangs and the bristles of a porcupine? Pegomastax africanus, of course, a new species of dinosaur discovered near Cape Town, South Africa. Named by University of Chicago paleontologist Paul Sereno, the mini-dino, part of the heterodontosaur family, would have been no more than 2½ feet long and the weight of a small house cat.

What had a vegetarian diet, a parrot-like beak, vampire fangs and the bristles of a porcupine?

Pegomastax africanus, of course, a new species of dinosaur discovered near Cape Town, South Africa.

Named by University of Chicago paleontologist Paul Sereno, the mini-dino, part of the heterodontosaur family, would have been no more than 2½ feet long and the weight of a small house cat.

Babe Ruth never did it. Neither did Hank Aaron or Willie Mays. Joe DiMaggio came close, once. Detroit Tigers slugger Miguel Cabrera has accomplished what some of the greatest players in baseball history could not: He has won the triple crown. Cabrera topped the American League in batting average (.330), home runs (44) and runs batted in (139) for the season — a statistical trifecta last achieved by Boston’s Carl Yastrzemski in 1967. The regular season wrapped up last night; Cabrera’s Tigers start the playoffs Saturday. Only 14 players in baseball history have pulled off the triple crown, the first being Paul Aloysius Hines for the Providence Grays in 1878. Since then, even the greatest players have swung and missed.

Babe Ruth never did it. Neither did Hank Aaron or Willie Mays. Joe DiMaggio came close, once.

Detroit Tigers slugger Miguel Cabrera has accomplished what some of the greatest players in baseball history could not: He has won the triple crown.

Cabrera topped the American League in batting average (.330), home runs (44) and runs batted in (139) for the season — a statistical trifecta last achieved by Boston’s Carl Yastrzemski in 1967. The regular season wrapped up last night; Cabrera’s Tigers start the playoffs Saturday.

Only 14 players in baseball history have pulled off the triple crown, the first being Paul Aloysius Hines for the Providence Grays in 1878. Since then, even the greatest players have swung and missed.

Increasing the alcohol content in beer is a delicate and complicated science. In fact, there’s a technical name for it: “Fractional freezing.” Because alcohol and water freeze at different temperatures, you can take a low-alcohol beer, put it in the freezer, and wait. What freezes is lower in alcohol, what doesn’t is higher in alcohol. Remove the ice and what’s left will be substantially stronger — not pure alcohol, but more alcoholic than before. The process is called “fractional freezing.” The resulting beer — its origins are debatable and lost to history, but are believed to have emerged from Germany in the 1890s — is called “ice bock” or “eisbock.”

Increasing the alcohol content in beer is a delicate and complicated science. In fact, there’s a technical name for it: “Fractional freezing.”

Because alcohol and water freeze at different temperatures, you can take a low-alcohol beer, put it in the freezer, and wait. What freezes is lower in alcohol, what doesn’t is higher in alcohol. Remove the ice and what’s left will be substantially stronger — not pure alcohol, but more alcoholic than before. The process is called “fractional freezing.” The resulting beer — its origins are debatable and lost to history, but are believed to have emerged from Germany in the 1890s — is called “ice bock” or “eisbock.”

More than 100 years ago, J.P. Morgan commissioned photographer Edward S. Curtis to create a series of images documenting traditional life of indigenous people in the American West.

On Thursday, the collection goes up for auction at the Swann Galleries in New York City.