This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

This old residential building was once the largest flour mill in the world.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

The only arched bridge made of stone on the entire Mississippi River.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A toweringly silly piece of modern art has been delighting locals since the 1980s.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

The headquarters of the famous Yale society.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Little Red Lighthouse under the George Washington Bridge.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Visit the monolithic tomb of America's most famous general.

Lie in a hammock where George Washington stood.

Ride the subways of yesteryear.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Elevated freight railway turned wildly successful urban park.

The world's largest collection of historic U.S. military naval vessels.

This historic hotel was once home to Henry David Thoreau and rumored to be haunted by ghosts of fallen soldiers from the American Revolution.

A small burial ground honoring Native American veterans of the Revolutionary War.