It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

The headquarters of the famous Yale society.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

Malcolm X's house during his most formative years faces an uncertain future.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

For 14 years, this former stray dog greeted every train passenger that arrived in Fort Collins.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

It is the only marker for one of the most famous hate crimes in American history. There are no other memorials for him in the entire state.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

Miraculous tree that seems to sprout out of solid rock.

One of the smallest towns in the United States.

This historic Union Pacific Railroad depot is a stunning symbol of American post-Civil War progress.

The first declared National Monument in the United States.

Calidum et Deliciose Succosum!

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The oldest extant wooden jail in South Dakota and possibly the United States. 

This erect, phallic geological spire wasn't always named so domestically.

Storage units with a wartime past.