Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

The largest collection of historic military firearms in the United States.

Thousands of artifacts tell Mongolia's military history, from the Bronze Age to the present.

A hidden gem that highlights the life and innovations of Les Paul, the "Wizard of Waukesha."

The man who wasn't there.

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

100 years later, they're still down there.

The oldest hotel in Nevada.

This colossal underground passage paved the way for large-scale drainage and access tunnels across the U.S., but it almost wasn’t built.

The smallest country in the world.

The first project by the Bureau of Reclamation illustrates both the upsides and downsides of reclamation.

This 19th century hydroelectric powerhouse was the first of its kind.

Dentist's hated concrete colossi are now beloved icons of the community.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

St. Augustine's record-setting narrow street was designed to protect against pirates.

Built around 1723, this is the oldest surviving home in the U.S.'s oldest colonial city.

Architectural elements and building materials for this house were transported from Salisbury, England.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

A railroad lift bridge that was only lifted once and became obsolete before construction was finished.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective. 

Visit a church sculpted from hardened lava.