This abandoned, turn-of-the-century astronomy hub is now the subject of more photographs than it ever took.

The world's most active stratovolcano is almost always erupting.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

A little sculpture with a large wardrobe.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Breathtaking and huge 430 year old maps of Italy.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A hundred copies of Antony Gormley's naked body stare out across the water.

One of the largest mechanical models of the solar system in the world.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

This natural wonder is disappearing at an alarming rate.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

A whimsical bridge adorned with decorative dragons.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.

A beautiful discovery site of prehistoric burials.

Erotic art covers the walls of the largest ancient pleasure palace.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Unusual British home built to disguise a water tower.

Two plaques commemorate the site of Shakespeare's first theatre.