Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

A bypass decorated with large wooden troll carvings.

This cave holds a surprisingly colorful variety of geological oddities.

The private island of Yale's elite Skull & Bones society is kind of a dump.

This tiny little island has, as the name says, just enough room for its single house.

A castle built for love, and abandoned due to heartbreak.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

Honorable ranks graduating from the prestigious Army War College work hard to maintain their high standards of honor and erase those who don't.

The attic of a four-century-old canal house hides a clandestine church.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This house's itty bitty size means no humans allowed.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A famed artist's inspiring work of peace and tolerance.