This seasonal soft serve shack has been doling out silky swirls since 1951.

This quirky local sculpture is quite literally a fish out of water.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

A giant ball made from pieces of an old Jeep.

This landmark cemetery in Boston was created more than 300 years ago.

Narrowest house in Boston.

Historic Hull Street was actually the first street with a proper name in the Boston area.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

William Faulkner kept his beloved estate wild and untamed.

This university transit system is a 1970s vision of the future.

The actor best known for slapstick comedy is memorialized in his home town.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The most accurate timepiece in the world.

This groundbreaking 16th-century map is known as "America's birth certificate."

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

This statue of the "father of television" stands prominently in the United States Capitol.

Look closely and you’ll notice that the color changes a third of the way up the tower.

An overlooked memorial honoring the local Washington residents who died in World War I.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A much-maligned monument to teetotalism.