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

The longest living non-clonal organisms on Earth.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

Journey through various trails to discover a land before time along the Chazy Fossil Reef.

A small chapel celebrating the spiritual bond between dogs and humans.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

Two gushing waterfalls of hot spring water within a block of each other.

The secret city built by the Manhattan Project.

Cape Cod’s historic beacon made famous on a potato chip bag.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The self-proclaimed gateway to the Extraterrestrial Highway.

One of the most unusual geological features, recognizable from a dozen hit movies.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This old mining town, deep in the California desert, has a year-round population of one.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

A house built from trash known as the poor man's Hearst Castle.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A hotel and restaurant serving as the mecca of kitsch.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

"Where the ducks walk on fish."