The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

"The Most Boring Road in the State."

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

A multiversal transit station located right below a highway interchange.

Once America's tallest structure, now a Baltimore landmark.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

New York City's only preserved family home from the 19th century.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

This third-generation institution is one of the last in London that still cures its own salt beef for epic sandwiches.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Home to items never before seen by the public.

Dedicated to the explorer who opened Japan to the West.

Mysterious stone tower featured in many alternative histories of the New World.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This 25-foot-tall gorilla made his way from the Wildwood boardwalk to a Pine Barrens gas station and deli.