Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

These markers are used to determine the ground stability of the Strip.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

The 17th-century hacienda where Simón Bolívar spent his last days before dying from tuberculosis.

This dramatic monument in Colombia honors a little-known indigenous fighter for independence.

This unusual monument shows a naked Simón Bolívar stripped of clothing, medals, and swords.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

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

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

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

A museum built around a bus-sized fossil on the side of the highway.

This whimsical home made entirely from clay is basically a giant piece of pottery.

A little known Colombian theme park of giant curiosities.

Cathedral carved out of salt, located a mile below the Earth's surface.

A celebration of Colombia’s premier contemporary artist.

Colombia's biggest botanical garden contains plants from all across the country.

At the site of a graffiti artist's murder, fellow artists gather to pay homage.

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