Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

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

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

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

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

An abandoned dollhouse factory.

A museum devoted entirely to the rattlesnakes and snake-related art.

This is one really big nut.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A historic freight system that found the true gold rush is in tourism.

The king of U.S. high points towers over every other peak on the continent.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A 131-year-old wunderkammer of Texas history.

A second generation sun-powered marvel lights up the night.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

This throwback amusement park is home to rides and unique storybook figures from the past.

Two massive rock outcroppings on the Oregon coastline.

Three hundred years of preserved Spanish colonial history in San Antonio.