Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

A massive Montreal stadium that has seen nothing but trouble since its inception.

The "Seinfeld" diner.

Commemorating the spot where the famous scientist fed his pigeons.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Once America's longest-manned military fort, now an abandoned hulk.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

One of the largest public housing complexes in New York once visited by Eleanor Roosevelt.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

A cruise terminal that changes the atmosphere of Red Hook's industrial waterfront.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

A modern addition to the Greenpoint skyline.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.