With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

A lavender labyrinth so large it’s visible on Google Earth.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

This old-fashioned carhop restaurant gave the world the waffle cone.

A sculpture made from recycled materials and hand-blown glass dedicated to transportation and transformation.

The land is home to swimming ponies and a legendary 18th-century treasure.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Abandoned railway line circling the city of Paris.

Former hunting lodge of a duke who was an avid collector of impressionist works.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

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

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

The curious underground history of keeping Paris clean.

The oldest stone house in Paris was built by its most famous alchemist.

What looks like a normal building is really a hollow facade hiding a subway vent.

Order a boozy baba au rhum at the oldest patisserie in Paris.

This tower is one of the best-preserved (and least-visited) remnants of medieval Paris.

This little-known relic crypt holds stolen parts of a Roman Empress.