The 953 windows undoubtedly make this the world's most beautiful screened porch.

This London marker celebrates the spot where the world-famous English band was founded.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

Repository for more than 22 million pickled specimens.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

These quaint French houses dangle precariously over a precipice.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

An icy lake tucked among jaw-dropping alpine panoramas.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

Diego Rivera hid various people and symbols in his first large-scale mural project.

Located in a veterinary school, this macabre exhibit displays the effects of animal diseases.

This Aztec structure remained hidden until the demolition of a supermarket exposed the lost temple.

The unique collection of gifts includes braids of human hair, a spoon, and a Virgin made of bread.

This ancient structure was built by a mysterious civilization that was largely destroyed by a volcanic eruption.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.