The largest glacial erratic boulder on Cape Cod.

The Cape Cod house that whaling built.

These three lighthouses played a fundamental role in the maritime life of Eastham.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

P-town goes wild for the malassadas at this 87-year-old institution.

Mural fragments and various sculptures honor the longtime artist.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

Provincetown's night owls flock to this 52-year-old pizza joint.

A 19th-century smallpox cemetery is being reclaimed by scrub forest and sand dunes.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A bizarre house filled with an astounding array of collections.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

Profile of a sleeping person four kilometers long in 250-meter-high cliffs.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

Half of a waterfall goes into the river while the other half seems to disappear.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

This friendly fellow was built to honor an advancement in mineral processing.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

When waves crash onto this section of beach, the rocks sing a song.

This quirky roadside attraction provides insight into Minnesota's logging history.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The famed architect designed this Minnesota gas station of the future with a lookout tower.