The world's largest rotating world.

This impressive Boston holy house is the American mecca for Christian scientists.

Local lore claims this park is named after a young woman who jumped off a cliff.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

One of the largest public collection of historic armored and military vehicles in North America.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This giant shopping mall still holds signs of its automotive past.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The palatial McDonald's that inspired Wesley Willis.

San Francisco's newly reopened hands-on science museum.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.