It's common to find the famous science communicator's grave adorned with pale blue marbles.

Pluto is still considered a planet in Ithaca, New York.

A fascinating community art piece created by students, teachers, and noted Philadelphia artist Isaiah Zagar.

The final resting place of Harriet Tubman and other famous historical figures.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

This 17th-century place of worship still celebrates holidays in the traditional Swedish fashion.

The longest covered bridge in Delaware.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

This private mansion turned Catholic bishop’s home is an iconic Galveston building.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

This little barrel-shaped cottage by Lake Superior was once a cartoonist's summer retreat.

Venture into the past with an unlisted exhibit hall featuring extinct birds.

This overlooked courtyard and museum celebrate Benjamin Franklin's life and achievements.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

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

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

Large one-man sculpture park in Michigan.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

This missionary's legacy looms large over the Upper Peninsula of Michigan—literally.

As its grandiose name implies, this wooden dome is unsurpassed in size.