The most confusing clock in New York.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

Read a book next to a Midtown waterfall.

A Manhattan office building is home to the world's largest chess board.

Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

The best way to get a sneak peek at the movies.

A dilapidated dock tells the story of Titanic's missed arrival.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

A multiversal transit station located right below a highway interchange.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

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

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

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This Art Deco airport was once deemed “the air hub of the Americas.”

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Walk the whole Mississippi River!

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.