Did Inca children also slide down these smooth rocky slopes above Cusco?

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Mystic Incan rock piles three miles above sea level.

A pretty park of over 1,600 olive trees that grew from just three saplings brought over from Spain.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

The oldest still-operating tavern in the United States was once owned by a pirate.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

As state high-points-by-elevation go this spot is one of the lowest, but for years it was also the hardest to climb.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

The first American axe throwing club.

The first declared National Monument in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."