The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

This installation turns abstract economics into a stark, public spectacle.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

A quiet marker in memory of local men and women lost in WWI.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

A hidden subterranean installation offers a view of the sky.

Art in the form of a winding, man made crack in stone.

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.

Jimi Hendrix's legendary recording studio in Greenwich Village.

The oldest living tree in Manhattan comes shrouded in sinister legend.

An enormous illuminated figure dances on the Las Vegas strip.

A giant open-air sculpture made of over 200 full-sized boats.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

Try not to get slimed in Tribeca.

A treasure trove of rare and exquisitely detailed antiques

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

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Shop for books in the New Orleans house where William Faulkner once lived.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.