Museum dedicated to "the man who moved the Earth."

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

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

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

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

Modern art commemorates one of the first military actions of World War II.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

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

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

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

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

A small granite monument marks where the borders of three countries meet.

The two abandoned overpasses are among the largest bridges in Poland.

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

This abandoned beacon is moving closer and closer to the sea.

This abandoned secret city is a crumbling wonderland of Soviet ruins.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

A marvel of Byzantine engineering under the streets of Istanbul.

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

Now abandoned, the world's first torpedo factory is crumbling into the sea.

Hundreds of unusual wheel crosses poke above the earth in this small Estonian cemetery.