Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

Read a book next to a Midtown waterfall.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

The world-record holder for the longest bridge stretching continuously over water.

There are owls with glowing eyes in Herald Square.

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

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

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.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The highest point in Montana is as rugged and singular as the state itself.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

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

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One man's ambition created this psychedelic log home.