Nuclear waste experts study this prehistoric crater lake to envision landscapes one million years in the future.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

This lake-bound geographical marker sits at the point where three European countries intersect.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

The first of Lancaster's "rural cemeteries."

The oldest farmer's market in America is so ancient it was approved by the King of England.

The last street in Pittsburgh that's paved with wood.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This Old Testament garden features 100 plants from biblical times.

A seemingly inexplicable memorial honors a beloved Tampa fruit-seller.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

Though nicknamed the “Russian Freighter,” this ship was actually sunk off the coast of Pensacola by the U.S. government in a top-secret operation.

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

These former theme park figures have a new lease on life outside a water plant-turned-restaurant.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

The short-lived history of a new republic and British control in West Florida.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

The only ancient owl carving found east of the Mississippi.

A local landmark with generations of spraypainted messages, and more being added each day.

This Florida resort community is where the Amish come to have fun in the sun.

"Bite or Smite" became the unlikely mascot of a Tampa suburb.