The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

2300-year-old Roman road connecting the empire.

Famously misunderstood wonder of the ancient world

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

"I did this all while you were watching TV."

Icelandic settlement in Manitoba established in 1875.

Minimalist modern art on a repurposed military base in rural Texas.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A spiritual vortex among the red rocks in Sedona.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A self-built castle made by a mysterious man.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

A bizarre house filled with an astounding array of collections.