This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

Recovered suit of a cannibalistic West African gang.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Come for the speed, leave in love with the desert.

Read a book next to a Midtown waterfall.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Cryptic messages embedded in the New York City sidewalk.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

A bit of retro transportation flair preserved in the world's largest department store.

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