Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

The European Union’s tallest freestanding structure provides radio and television broadcasting to half of Latvia.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

This ancient settlement contains some of the largest earthen mounds in North America.

The "world’s largest honky-tonk" also has its own indoor rodeo arena.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

A peculiar forest that was handcrafted for government experiments.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

A town pays homage to its namesake.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A railway bridge leading nowhere stands lonely in the middle of a meadow.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

Go take a picture with the inventor of the daguerreotype photographic process.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The first memorial dedicated solely to the Black troops who fought for the Union.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

America's first federal monument.

This downtown Dallas art installation is always on the lookout.