Thousands of acres of beautiful wild landscape in the Great Basin.

The history of central Minnesota under one roof.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Home to fossils and other specimens from the Western Interior Seaway.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

Drift through underground caves on a tube.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

This rock in the middle of a river in Jayuya contains dozens of Pre-Columbian Taíno petroglyphs.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

This tower was once used to create ammunition for early settlers.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

One was an astronomer who spent his life chasing solar eclipses, the other helped make Emily Dickinson famous.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

This popular pitstop lives up to its name.

This site in Caldwell County is the location where the Cherokee and Catawba are said to have entered a peace treaty.

A limb from Indiana's largest sycamore tree on record.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

Emerging from the sidewalk, this sculpture of a whale commemorates the importance of baleen in traditional Japanese puppetry.

This statue of a studious young woman stands at the site of Leuven's first college to accept female students.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

Inside this store, a mysterious statue draws visitors from the world over.

A monument honoring those who died in the Great Famine of Ireland.

The remains of an Aztec school and various intriguing artifacts lie below a modern cultural center.