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

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

Roaming bison and a spectacular view at the highest point in Nebraska.

One of the smallest towns in the United States.

Miraculous tree that seems to sprout out of solid rock.

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

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The beautiful, fruit-covered facade hints at this building's former life.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

This sculpture encompasses the emotion of rail travel.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

This bookstore serves recipes from the cookbooks on sale.

The "shampooer of kings" who opened London's first curry cafe was a celebrity in the 19th century, but is all but forgotten now.

This 1920s Dutch barge is now a floating bookstore.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

These ornate arches show how the course of the River Thames has changed.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

A symbol of Texas pride.