Over 50 whirling pools left behind from the glacial age.

Three prestigious academic collections come together to create a world-class natural history museum.

Friction between grains of sand cause a curious "singing" sound.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An enormous, inside-out glass globe built in 1935.

A museum dedicated exclusively to the lore and history of ouija boards.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This unique library spans a mighty river.

Overlooking Puget Sound sits a garden with a Buddhist prayer wheel and an elaborate labyrinth.

People come from across the globe to swim in this lake believed to have healing properties.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

The century-old remains of an abandoned farm town in eastern Washington.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

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

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

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

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.