The first declared National Monument in the United States.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A Circus legend leaves an unexpected endowment.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

This somber statue remembers the enslaved women who were forced to nurse their owners' babies.

This singular art museum in São Paulo is unique inside and out.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

This historic stadium was built to host the first-ever FIFA World Cup.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

The Uros people live on floating reed islands in lake Titicaca.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

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

A fascinating little museum all about the rich history of Peru’s famous plant.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

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

A celebration of Colombia’s premier contemporary artist.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

A dangling church built over a Colombian gorge.