A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

This cave holds a surprisingly colorful variety of geological oddities.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

This unique zoo is the only place in the world where you can see all 15 species of crane.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

European castle ruins in an American state park are actually the product of death and grief.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Moonbows over Kentucky.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

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

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

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This massive subterranean fissure is known as the "underground Grand Canyon."

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.