The site of a fallen tree that protected Americans from British forces during the American Revolution.

This secluded ruin was once a home for exotic plants.

This small, hidden cove is home to abandoned boats.

Home to the only outdoor municipal elevator in the United States.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Rare recess caves fill this unbelievably beautiful Ohio park.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

This North Carolina store preserves a historic moment in America's movement for racial equality.

An underground city of salt.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The magic's in the hole!

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Morocco's Argania trees are infested with nut-hungry goats.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A modern zoetrope on the New York City subway.