Museum in a swimming pool where the water still flows.

A quiet country churchyard holds a monument to the last known sin-eater in England.

This fantastic museum honors Gloucester waterway heritage.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

An amazing collection of wax anatomical models and terratological models.

The mummified relic of St. Catherine sits forever on a golden throne.

An extraordinary collection of 18th century anatomical waxworks.

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

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

The only museum with its curator—and her pets—buried inside.

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

Venice's "Island of the Mad."

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Once home to artillery, this garden offers more peace today than it did during its war-torn past.

A cheeky reminder about the value of art dangles above one of Olomouc's busiest streets.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

One of the oldest, well-preserved water treatment facilities in all of Europe.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

An enormous and lavish Gothic church in Czechia.

The 14th-century ruins are said to contain healing powers.

A cheeky architectural easter egg.