The former home of Samuel Clemens and family remembers the happiest period of the author's life.

There are owls with glowing eyes in Herald Square.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Visit the monolithic tomb of America's most famous general.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

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

The "Seinfeld" diner.

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

A dilapidated dock tells the story of Titanic's missed arrival.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

One street divides a single town that stands in two U.S. states.

At 207 feet, one of the world's longest continuous escalators.

This glass-stain Mary attracted thousands of pilgrims until her head was shattered by a vandal with a slingshot.

The island residents are known for taking their quirky sense of humor with them to the grave.

The story of a Floridian city as told through an obscure sport for retirees.

Electrical pylon in the shape of Disney's beloved mouse.