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

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.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This small city park is best known for the nightly convergence of thousands of shrieking parakeets.

Two graffiti towers stand like ghosts of Vancouver's World War II-era defensive outpost.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A crumbling cliffside ruin hidden in the woods.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

This colonial town in Colombia sits around the largest stone paved square in South America.

A unique spiral staircase that doesn't quite make it up to the top floor.

This small bridge serves as a symbol of South America's independence.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Granting the right of way to ships over surface traffic since 1917.

This quiet park's strange sedimentary spires were named after Kodak's color film.

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

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

It took 82 years and four different plaques to finally get the story right.