These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

The park is home to the United States's only still-operating Dutch windmill.

Follow the steps, and this roadside artwork will teach you how to dance.

This giant temperature attraction created some giant electric bills.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

Detroit’s downtown castle is one of the oldest structures in the city.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

This public park was the site of the largest civilian disaster of the Civil War.

Hundreds of protractors affixed to surfaces all over the city.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

World's largest Christmas store.

The blinking light atop the iconic landmark has been sending secret messages for decades.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

The record holder for the world’s largest peach.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Guns that have been defending San Francisco since 1904.

Illegal drag racing two stories beneath Chicago’s streets.