Terrifically morbid cemetary and site of famous Paracelsus' grave.

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 historic, palatial theater is now one of the world’s most beautiful bookstores.

An institution that preserves the history of institutionalization.

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

"Only the devil could play golf here."

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

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

A beautiful 62-acre Catholic shrine and botanical garden.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This charmingly homemade amusement park has been growing for 40 years.

One of the oldest living oak trees in the Southeast.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One man's ambition created this psychedelic log home.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.