A natural rock formation believed to be a cure-all.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

An oil baron's wild paradise and the winner of an ill-fated air race.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

A college in rural Kansas founded to prepare the country for an impending World War III.

When you can afford only half a road, you build only half a road.

This historic theater's pipe organ still accompanies silent films just like it did in 1929.

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

An essential stop before plundering, BYO Cutlass.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The first green space constructed on an elevated viaduct.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Abandoned railway line circling the city of Paris.

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