The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A cannon designed to fire an atomic warhead.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

The oldest continuously operating fish market in the United States.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

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

The juke joint where legendary soul artists ate, drank, and made merry.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

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

Home to drunken tower-climbing goats... seriously.

This replica of the Greek structure is in the heart of Nashville.

This award-winning men's bathroom was just too beautiful to not allow women to see.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The land is home to swimming ponies and a legendary 18th-century treasure.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The remains of the great moral philosopher reside in a university in London.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.