A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

The Cape Cod house that whaling built.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

Final resting place of a pioneering scurvy researcher.

See massive fossils that are over 200 million years old in northeastern Arizona.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Most famous work of one of Frank Lloyd Wright's sons.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

America's most famous piece of self-built architecture.

Shop selling 500 flavors of soda has something for everyone.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A modern day curiosity cabinet.

The ghostly remains of an accidental sea.

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

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.