Two flush headstones mark the only known graves to be embedded in an airport runway.

Georgia's highest point was given its strange name thanks to a simple translation error.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Home with Gothic windows featured in a famous painting.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

A monument celebrating the idea of reaching inaccessible places.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The world's largest military aircraft cemetery.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

The rusting remains of the largest assembled WWII fleet on the West Coast.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A mysterious castle built as a monument to lost love.

The fairy tale castle of the "fairy-tale king."