The curious underground history of keeping Paris clean.

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

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

Medicinal spa created with the discharge from a geothermal energy plant.

Three columns of volcanic rock shoot out of the ocean.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

At 207 feet, one of the world's longest continuous escalators.

Home to items never before seen by the public.