Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

There has been an astronomical clock on this spot since the 14th century.

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

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

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.

This artistic fountain display pays homage to this area's theatrical history.

An unassuming Swiss institution houses Europe's largest toy museum.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

A 22-million-year-old sandstone cave is a natural habitat for award-winning cheese.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Jimi Hendrix's legendary recording studio in Greenwich Village.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Sniff the Titan Arum's rotting flesh.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This secluded ruin was once a home for exotic plants.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.