A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

A secret door leads to this cozy dive that sells only “milk.”

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The final resting place of soldiers' loyal canine companions.

A scattered trail of street art adds a pop of color to the city's stark structures.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

This stately estate house features a tower covered in a bright, modern mural.

This Scottish bridge seems to compel dogs to leap to their death.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

At high tide this strange footbridge appears to have no purpose whatsoever.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Hiding the longest subterranean river known in the world.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.