This tranquil park with a spiral viewing tower is an off-the-beaten-path area where renowned people have planted a small grove of trees.

The history of those incarcerated in Singapore during World War II is etched into the bricks of a popular staircase.

This fountain was once heralded as the largest in the world.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The most playful of the life-sized statues that make up Singapore's "People of the River."

The busy transport hub is home to the tallest airport slide in the world.

This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

Terrapins of all colors and shapes are quick to bring fascination (and possibly long life) at this museum.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

The longest and widest floating bridge in the world.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

A walk through the historic city center, under the streets of Seattle.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

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.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.