The world's largest military aircraft cemetery.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Five candy-colored villages on the Italian Riviera.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Steadily reminding Czechia of its past.

A beautiful geyser under environmental threat.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

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

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

2300-year-old Roman road connecting the empire.

An eccentric inventor's castle home with its own indoor weather system.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Macabre astrological automaton clock dating to the late 1400s.