A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a pretty creepy lock-up.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This carved stone slab marked the grave of a local dragon slayer, who makes a killer pie.

Windblown rock formations in an ancient Roman quarry.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Narrow gorges and deep pools created by long-ago glaciers.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A beautiful maze marks where three countries meet.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."