A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

One of the oldest, tallest, and most haunted lighthouses in America.

A building so large that it has its own weather.

148 feet long and in the middle of a verdant forest.

In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

The statues honor the state transportation employees who've died while performing their work-related duties.

World's largest Christmas store.

This small, nautical gift shop is home to a 500-pound behemoth.

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

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

Profile of a sleeping person four kilometers long in 250-meter-high cliffs.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

Accessible only by train, the beauty of Agawa Canyon Wilderness Park is worth the journey.

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

Amid rushing rapids, this small bit of land is an important First Nations site on border between Canada and the United States.

The world's only bushplane museum captures the spirit of the early planes and pilots and their contributions to northern life in Canada.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Come for the boats, stay to explore the intriguing assortment of art.

This coastal port saw one of the most significant battles of the Civil War.