A modern addition to the Greenpoint skyline.

This outdoor gallery of sculptures along the East River was once a landfill.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

This landmark building is now a vibrant performing arts space with musical acts from around the world.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

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

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

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

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

The trials and tribulations of marking Poe's grave.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

"A hideous albatross in the Hudson River Valley."

A daily replay of the experiment that proved the rotation of the Earth.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This historic spot was where America's involvement in the Vietnam War officially came to an end.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

The giant birds honor two native North American species.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.