Very likely the only museum in the world that celebrates the glory of the humble banjo.

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

This museum gives tribute to the underappreciated "Down-South Submarine."

The longest navigable underground river in the United States is home to countless blind and albino animals.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

No one knows how many bodies are in this vault in a Chicago public park.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A science teacher's dream.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

A real flying saucer, contracted by the U.S. Air Force.

A headstone tells the sad story of a lost little boy and his pet dog.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

A medical facility that has been kept frozen in time.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

The library of every book lover's dreams.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.