During the holidays, a vintage subway train whisks New Yorkers back in time.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Read a book next to a Midtown waterfall.

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

"We Seceded Where Others Failed."

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A monument celebrating the idea of reaching inaccessible places.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

New York's southernmost subway station is whimsically wavy.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

To find the "unicorns of the deep" you've got to go downstairs.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Dr Barnes' $25 billion private collection of art and arboretum.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This elaborate towering structure was once famed for its revolutionary height.

A monument to the military service of America's greatest traitor refuses to even name him.