A quaint Russian village in the middle of a German metropolis.

The resting place of 18th century German mummies.

The natural mummy of the less than chivalrous Knight Kahlbutz.

This Italian church is as beautiful as it is common, except for the real skulls decorating the many mannequins inside.

In this nearly 1,000-year-old monastery, monks painstakingly restore old books.

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

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

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

A gorgeous example of 13th-century Gothic architecture.

Venice's island of the dead.

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

Hamburgers are intensely proud of their tunnel beneath the river.

A wunderkammer of exoticism immortalized by Tom Waits.

Seventeen members of the local royal family are interred in this Baroque church in northern Germany.

A tilted half-timbered house from 1672 is built into a salvaged segment of a medieval wall.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

Twelve sweet, nutty, life-sized statues are housed in this second-story shrine to almond paste.

These massive moving sand dunes have swallowed an entire village and are still on the run.

A World War II torpedo launch station abandoned off the Polish coast.

A haunting deserted hotel is a favorite with artists and photographers.

This museum in the tower of the oldest church in Gdańsk, is home to centuries-old time-keeping devices and the world's first pulsar clock.