Robots, lasers, and whoopee cushions, oh my!

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A bizarre house filled with an astounding array of collections.

What was once the longest suspension bridge in Latin America was directly inspired by the iconic Brooklyn Bridge.

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

Only gap in the 30,000-mile span of roads called the Pan-American Highway.

Known as the site of 'El Dorado,' this mysterious lake is rumored to hold gold beneath its waters.

This exceptional home was a 32-year labor of love by a man determined to build his wife the most beautiful stone house in the world.

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

No one knows for sure why this town's dead refuse to rot.

This tiny shop has been serving traditional tamales for more than 200 years.

A three-tiered waterfall plummets from a mountain cave with amazing views over the countryside.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

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

An ancient city hidden in the heart of the Sierra Nevada mountains.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

A little known Colombian theme park of giant curiosities.

The Andean town where every single building is decorated with a brightly colored frieze.

This picturesque mansion has gone from opulent ruin to nature museum.

A dangling church built over a Colombian gorge.

An explosion of natural color known as "the river that ran away from paradise."