A wonderfully strange collection of 500+ stuffed frogs doing people things.

An ethereal glowing blue ocean cave in Croatia.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

This bakery sits on the site of the Black Panther Party's first headquarters.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The "Seinfeld" diner.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

An artist's cute bronze subway sculptures belie his violent artistic past.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

The site of a tragic massacre that spawned a multimedia franchise.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

An unrealized dream to wirelessly electrify the entire Earth.

A restored Shell gas station from 1937 that includes a tow truck, the original gas pumps, and the original office.

This abandoned boat was left in place thanks to its rotting beauty.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A 19th-century cabin built into a hollowed-out Sequoia tree.

At night, a grove of towering redwood trees growing through the pavement block out all light from the so-called “Dark Park” of Madrone Avenue.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

These millipedes glow not out of attraction, but as a not-too-subtle warning.