This abandoned sea fort has become an accidental bird sanctuary.

This historic lighthouse was well known for the large number of women who served as its keeper.

Sweden's oldest animated sign is still lighting up the skyline today.

A mountain of conch shells created by centuries of fishermen.

A smoke stack so large, the Washington Monument could fit inside!

The final resting place of a music legend.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

The larger-than-life art installation at Tampa International Airport welcomes travelers to town.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

A winding district gerrymandered into the shape of a mantis.

A Nessie-like monster supposedly lurks in this lake.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

The world-record holder for the longest bridge stretching continuously over water.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A fitting attraction for the corn capital of the world.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

A home base for Judy Chicago, one of America's leading radical feminist artists.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A large collection of ancient runestones decorates this university courtyard.

A monument to a beloved aquatic folk hero in the Irish town of Dingle.

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