A remote hilltop covered in giant monoliths haunts the Brittany countryside.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The most visited, and possibly most controversial, museum in Germany.

The "Prussian Versailles" that is as glorious today as when it was built.

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.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Baroque celebration of the end of the Great Plague of Vienna.

The final resting place for the remains of 143 Habsburg royalty.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The world's tallest bridge is also possibly the most elegant.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.