The bears may be gone, but their old cages can still be found.

Yo, Adrian!

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A lush indoor jungle fills this bustling Madrid transportation hub.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

This failed condo development was reborn as a street art hub.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

The highest rapid transit station in the world.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

An unconventional space for art and science housed in a massive old warehouse.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

This innocent-looking townhome is actually a subway exit.