Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.

This amazing ancient cave was kept secret for seven years to protect it from the public.

A 2,000-year-old wine press hidden in an overlooked park in Tel Aviv.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

This ancient village provides insight into the complexity of the pre-Columbian Fremont Culture.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This traditional Japanese-style house doubles as one of James Turrell's colorful works of art.

A repurposed railway tunnel with otherworldly acoustic characteristics.

A stone wall commemorates the legend of a ferocious dragon who literally got his butt kicked by a knight.

This little-known national museum houses over 40,000 works of art from across the world.

The single richest source of elemental discoveries in the world.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

"Only the dead get off at Kymlinge."

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

A floating underwater hotel, created by a Swedish artist.

This chimerical bridge/tunnel appears to dead end right into the sea.

A man has revenged his true love's betrayal through tears and stone genitalia.

Micro-nation based around a nine-story high illegally built tower.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.