A much-maligned monument to teetotalism.

Go take a picture with the inventor of the daguerreotype photographic process.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

A nostalgic bibliographic gem.

This historic national park is covered in the stunning ruins of red rock pueblos.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

King Ludwig I's collection of beautiful women.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The footprint of a frustrated devil in Munich's Cathedral.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Dedicated to preserving the history of free Black communities in Brooklyn and beyond.

The "Seinfeld" diner.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

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

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

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.