This micro-nation may be some sort of prank, but its constitution sure seems official.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This elaborate towering structure was once famed for its revolutionary height.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A museum has some wedding cake dating to the Teddy Roosevelt administration, and some bacon from FDR's.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

A 100-plus-year-old mill transformed into a hotel and restaurant.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

It was once the base for a series of domestic terror attacks.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The 28,000-year-old specimen is remarkably intact.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

When it comes to handsignals (and colonialism) rock always beats scissors.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.

Eighteen miniature death-scene dioramas.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.