In a town known for its large hats, this one is the biggest.

A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

Sleep in a glass pod dangling off a cliff.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

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

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

An experimental, automotive replica of Stonehenge.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

This abandoned Victorian-style house was built in 1884.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

An eatery for UFO seekers on the Extraterrestrial Highway.

An underwater restaurant, surrounded by a coral reef.

A golden egg-shaped sauna in the Arctic tundra.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

An eerie site of reverence for those who have completed an epic journey.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Costa Rican accommodation resembles a crash site, but with a nice balcony.