A peculiar family mausoleum built by a German nobleman captivated by the occult.

What was once an underground Nazi city is now Europe's largest bat reserve.

Boats must transform into railroad cars to navigate this Polish canal.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

Disturbing works of outsider art, carved from whole logs.

This symbol of Polish heritage survived the occupation during World War II, hidden in plain sight.

Come to this Polish museum to take a good, clean look at filth.

This antique thermometer honors the creator of the first universal temperature scale.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

A marker honors the brief peace found by a tormented artist in the fictional land of Kcymaerxthaere.

Gliwice Radio Tower, likely the tallest wooden structure in the world.

The relics are stored in a silver reliquary, where they can be seen through glass.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

A miniatures park with a model of Wolf's Lair as it looked during World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

The shattered remains of the world's once tallest structure.

One of only two places in the world where two rivers cross each other without the waters mixing.

The biggest exposition of dental equipement in Europe. And a Mummy.

Relive a Polish uprising via an enormous, century-old cyclorama.

This Communist-era residential block is one of the longest residential building in Europe.

Brought to you by the makers of fiberglass dinosaurs.

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

This tower in a small Polish village uses the power of a sacred bell to ward off mischievous weather spirits.