Population: 1.

This Wyoming town is fascinated by a particular mythical creature.

Locally known as the "Onion” and the "Egg Beater,” Casper’s most recognizable buildings are beloved local landmarks to many, and eyesores to others.

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

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.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

An aptly-named street near the birthplace of the modern LGBT rights movement.

This slender three-story building has also had several famous residents.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

An annual extravaganza of Broadway theater memorabilia.

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

This monument is dedicated to Balto, the heroic Alaskan sled dog.

With a history dating back to Victorian times, this architectural gem is a rare New York tourist haunt worth visiting.

Built for a motel, this cartoon dino is now a symbol of the area's paleontological heritage.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

This town is home to the world’s largest arch constructed entirely of elk antlers.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

Mark Twain once stopped at this rest station during his journey to Nevada.

The source of America's longest river is also a historical landmark and the start of a famous nude run.

New fungal and bacterial species call this deadly lake home.

This rural museum highlights Wyoming's era of trapping and fur trades, and hosts the annual Green River Rendezvous in July.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."