Of course Salvador Dalí lived in a castle...

One of the largest megalithic complexes in England, which local legend holds is a wedding party turned to stone by the Devil.

Inside this magnificent 12th-century church is one of the finest carved wagon-roofs in all of England.

The oldest residential street in Europe also features an optical illusion.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

Museum about life, death, and cannibalism in the Stone Age.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

What better way to honor a pioneering anatomist than by preserving his severed head like a specimen?

A collection of collections, including an anatomy museum, the “Cabinet of Physics of Alessandro Volta, a museum of natural history, mineral collection, and much much more...

A macabre anatomy museum tucked within an old Italian hospital.

An ancient artistic garden parlor full of hidden water wonders.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

Hidden among the multi-million dollar mansions in the Santa Cruz hills is a sanctuary for troubled birds.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

One of the oldest medical collections in Europe focusing on rare surgical instruments.