A stunning hermit's shrine on a steep rocky spur in Northern Italy.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

An eerie, protected forest of old-growth oak trees, many of which are now dead.

The manor house where the Polish composer spent childhood summer holidays is now a museum and concert hall.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Astronomers plan to launch a space telescope into orbit, to find out what exactly stands in the way of an asteroid hitting Earth.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

This rusting remnant of the local herring industry is being given a second life.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

One of few surviving standpipe water towers in the U.S.

This forgotten boat elevator was an engineering marvel in its heyday.

The vertical-axis windmills of ancient Persia have been grinding flour for 1,000 years and counting.

One man's fulfilled dream of living on an artificial island made of recycled plastic bottles.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The notorious couple camped at this site after a bloody shootout with police.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

A vintage video game wonderland in downtown Reykjavik.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

Locals say the stone that marks the spot where the gallows once stood can lead you astray.

A deserted hodgepodge of experimental structures designed by nearby university students.

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.