One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

The oldest botanical garden in the world that technically isn't the oldest.

One of the largest squares in Europe contains an entire artificial island.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The colorful stairs are made with marble from the world's major quarries.

"We Seceded Where Others Failed."

A local landmark with generations of spraypainted messages, and more being added each day.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

This lavish estate recalls the opulent history of Calcutta.

"The prettiest love letters in the world" ... or so said Lord Byron.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

A brutalist gem towering over the heart of Milan.

An alien landscape of chalk-rock in the Egyptian desert.

Though the original building has been demolished, these massive bronze doors were saved.

The "lovely red Vega" of the legendary record-settling pilot.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

A natural sandstone bridge hidden in the Sewanee forest.