Step back in time on this preserved 1800s farm.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A bit of retro transportation flair preserved in the world's largest department store.

The "Seinfeld" diner.

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

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

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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

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

A celebration of capitalism in Midtown.

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

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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Try not to get slimed in Tribeca.

Elevated freight railway turned wildly successful urban park.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

The oldest building in Vancouver's Chinatown is now home to one of Canada’s largest contemporary art collections.

Few other hotels can rival the grandeur of the Castle in the Rockies.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.