The eroded core of an ancient volcano is now accessible by a short hike.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Limestone caves with spectacular showcase chambers.

A spiritual vortex among the red rocks in Sedona.

America's only nuclear missile silo open to the public.

A reproduction of earth's many biomes.

See massive fossils that are over 200 million years old in northeastern Arizona.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A collection of huge Pre-Colombian structures in Alabama.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

History is hiding at the Morean Center for Clay.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

A circus legend leaves an unexpected endowment.

Babe Ruth and others planted saplings for a 1930s tourism campaign. The saplings grew as the area faded.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

Hawai'i Volcanoes National Park is home to one of Polynesia’s largest petroglyph fields.

Hidden behind a YMCA stands the remains of a ceremonial site that dates back hundreds of years, whose ground is still considered sacred to many Hawaiians.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.