A gothic church spire sits atop this skyscraper, the tallest church in the world.

This shop for all your super spy needs hides an educational secret.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

A huge musical instrument played by the ocean.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Towering basalt columns, a creation of fire and ice.

A winding path built in secret on the edge of the continent.

The haunting ruins of Jack London's dream house.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A strange house built only at night, with rumored mystic inspiration.

Canyon walls shrouded in ferns.

A trash dump made beautiful by nature's power.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This impressive tunnel was dug entirely by hand over the course of 36 years.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

The first declared National Monument in the United States.