Resonating tubes make music from highway overpass.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The massive machine creates cracking displays of indoor lightning.

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.

Radical Bookstore and Community Space.

The home of the artist credited with introducing the tomato to the American diet.

The oldest still-operating tavern in the United States was once owned by a pirate.

This statue honors a pillar of the early New Haven Black community.

An actual piece of the Moon, brought down to Earth by Apollo 15.

An extra-wide chair built to accommodate the former president's big behind.

A small museum packed with specimens from important fossil sites and minerals from historical pegmatite quarries.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

The early American colonists were such ferocious drinkers the law actually required every town to have a tavern.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

A wunderkammer hidden on the top floor of the Hartford statehouse.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The sole surviving building from Newgate village, a colonial settlement that was renamed Centreville in 1792 after it was granted town status by the Virginia Assembly.

This one-room schoolhouse was revitalized in 2007 as a museum focusing on the education of Black children during the early 20th-century.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

A natural spring situated on the grounds of the Hawthorne estate.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

A highway marker that honors a former spy plane pilot and local hero.

This historic, one-acre island is the only legal place to camp in the city of Richmond.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.