The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The fifth-longest natural arch in the world, and the longest outside China.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Orcas on display and in the water.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Site of the greatest known waterfall that ever existed.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

European castle ruins in an American state park are actually the product of death and grief.

The library of every book lover's dreams.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

Statue commemorating the use of ether in anesthesia.

This impressive Boston holy house is the American mecca for Christian scientists.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.