Huge masonic hall in Philadelphia with lavishly themed rooms.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

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

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

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The home of the first American-born saint is one of the only curved buildings in New York.

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

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The fifth-longest natural arch in the world, and the longest outside China.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Japanese national treasure originally built in 593 CE.