Former farm staffed by mental patients is now a public park.

Tour the original street level of Port Angeles, buried underground in 1914.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

Shoreline strewn with the remains of ghostly fallen trees.

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

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

An obscure waterfall that looks like something out of a fantasy novel.

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

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

A fantastic castle rumored to be the birthplace of King Arthur.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Built to hold the worst of the worst of the Nazi war prisoners.

A six-ton wedding present for the King of the Scots.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

The first declared National Monument in the United States.

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

Ancient human, animal, and geometric figures drawn in the earth.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.