Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

A massive sea stack famous for its appearance in The Goonies.

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

Two massive rock outcroppings on the Oregon coastline.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

A monument to the man who almost killed Hitler.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A wall of chewing gum moonlights as collective art.

This playground sculpture of an icon from the past is dedicated to the children of the future.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

Nuclear reactor created the plutonium used on Nagasaki.

Dine amidst exotic plants at this former royal greenhouse.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Designed as a reminder of one of the darkest moments in Austrian history.

Legends surround an ancient tree trunk riddled with nails for good luck.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

Baroque celebration of the end of the Great Plague of Vienna.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

Come for the flowers, stay for the bats!