A wunderkammer of gold and silver reliquaries and ancient saintly bones.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

The underground sanctuary of a mysterious ancient cult.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The heads of two giant mythological water horses honor Scotland's horselord past.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A historic house left in "dramatic still life."

This blowhole is supposedly caused by a trapped monster.

A true treehouse near Hawai'i Volcanoes National Park.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

This whimsical stacked cabin looks like something out of a children's book.

The ghostly remains of what was once the world's richest copper mine.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."