This elaborate stone bridge over the Neisse river has sat in pieces since 1945.

Where beer lovers can literally immerse themselves in beer.

This one-time health resort was used by aristocrats around the world.

A unique two-level bridge designed to honor a king.

Everyday, fans from across the globe visit the statue of one of the greatest Formula One drivers in history.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

This lakeside bunker complex in Mamerki, Poland, housed the Supreme Military Command of Nazi Germany during World War II.

The site of one of the largest prison escapes of World War II.

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

This towering statue of Jesus provided internet to the surrounding area.

A Nazi concentration camp and Anne Frank's place of death.

The largest airborne operation in history was launched to capture this bridge.

A passage grave used in neolithic rituals.

A statue erected in honor of the toadish nickname given to Jersey residents by the French.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

One of the world's smallest prisons boasts just two small cells.

The first island in the world designated a light-pollution-free astronomical observation point.

An intricately decorated tiny place of worship.

An 800-year-old island castle in Guernsey's main harbor.