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

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

This rowhouse doubles as one of the most photographed spots in the nation's capital.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

A common entry point to the Griffith Observatory trail holds its own wonders.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

"The greatest unknown literary treasure in Los Angeles."

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

This "synagogue" is not what it seems to be.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.

A forgotten tribute to a South American hero hidden in a cluster of traffic islands.

60 feet of towering steel balances gracefully.

A glimpse of the Pacific Northwest‘s indigenous culture in Washington, D.C.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The "lovely red Vega" of the legendary record-settling pilot.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

Perhaps the most scandalous statue of America's first president.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

A watercolor recreation of a famous fresco unearthed at Pompeii.