This chimerical bridge/tunnel appears to dead end right into the sea.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

A charming little museum founded by the designer of the Statue of Liberty.

The birthplace of the builder of the Statue of Liberty is now a museum dedicated to his work.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

This German art chapel is perfect for those who like their worship hard, modern, and utterly alien.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

These rustic holiday homes are made from discarded fishing boat hulls.

Germany's longest suspension rope bridge.

This 600-year-old home seems to defy physics.

The last bastion of Roman presence north of the Alps looms over a German town.