The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

This museum offers an actual time machine back through Colorado's past.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

It's just another skyscraper, but it's shaped like '90s cell phone.

This sculpture meant to honor the bravery of the Indigenous Mapuche people of Chile proved controversial.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

A beautiful deserted greenhouse in the middle of a park.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

A Christian monastery stands on what was once a holy Incan temple.

An Inca spa, military outpost or maybe… both?

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

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

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.

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

The large collection of pre-Columbian pottery might make you blush.

This stone complex marks the urban center of a lost civilization.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”