A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Ruins of a German Castle on top of a towering stone pillar.

This museum is filled with an eclectic collection of unique inventions.

The portrait of a man from Japan who sent weekly letters to a Dutch hotel he never visited.

This Dutch art piece became a Russian icon.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

Where lovers tie birch branches into long-lived knots.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

Mosaics created from 11 million cigar bands.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

The bridges portrayed on EU currency aren't fictional anymore.

A preserved building where the dead were once watched for signs of life.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

Two gravestones clasp hands over the religious divide.

A collection of biblical memorabilia.

A true Valhalla for cactus and succulent lovers.