Largely overlooked, this little fountain on Museum Island is a whimsical tribute to a Prussian king nicknamed the “Fatty Flounder.”

Press 1 for knock-knock jokes.

This colossal underground passage paved the way for large-scale drainage and access tunnels across the U.S., but it almost wasn’t built.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Every Saturday morning, this microbakery fills up with freshly baked pastries and sourdough breads.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

The arch marks the beginning of the road for northbound travelers.

The best-preserved Roman site in India.

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

This mangled and twisted wreckage left by the side of a Mexican road was no accident, but a planned crash in the name of science and safety.

You can dig up your own crystals in the quartz capital of the world.

This magical-looking island is notorious for the misfortunes suffered by its owners.

The second-largest natural arch in the Chartreuse Mountains.

The largest single-building tribal cultural center in the U.S. is an expansive museum in Oklahoma City.

The hulking remains of the Leesburg Lime Company Kiln lie dormant behind a historical marker close to the W&OD trail.

An 83-foot tall granite obelisk honors the legacy of Dr. King in the heart of Norfolk's Black community.

A strange Georgian folly sits atop a lonely hill.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A boardwalk winds through this sliver of coastal nature hidden within Sydney.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A boulder so big and tough, they had to turn it into a landmark.

Kansas's Grassroots Art Capital welcomes visitors to Lucas through its very own World's Largest Thing.