Norway has built what may be the world's most beautiful public toilet.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

The largest of only eight working transporter bridges left in the world.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

The weathered grave of a medieval anchoress who walled herself up in a cell attached to a church.

An abandoned Byzantine fortress and notorious prison.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

A bike train runs along a disused railway line through the tranquil French countryside.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

This long-distance walking route follows the Prime Meridian line as it passes through England.

Two massive boulders, rocking back and forth with the ebbing of the sea.

Despite finally receiving electricity in 1970, this tiny town is now deserted.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

The abandoned village of Skarð aptly illustrates the idiom "Don't put all your eggs in one basket."

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

Over a million items cram the shelves at Africa's largest shop of used and rare books.

This abandoned lighthouse looks like a rusting oil rig, but has managed to survive a number of storms.

A plaque marks the underground site of one of London's "lost rivers."

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

This tiny business claims to be "the smallest pub on the planet."

This doorless 20th-century elevator doesn't stop or slow down.