An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A small oasis not far from downtown Moab.

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

It's safe—and permitted—to walk across these twin natural sandstone arches.

In California, colorful roadside signs remind us all that love transcends borders.

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

This conservation area is also home to many of the region's desert tortoises.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

Explore the wide world of desert plants at this unique Palm Springs botanical garden.

Catch two 18-foot-tall ranchers mid-brawl as you drive by on Highway 285.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

Roaming bison and a spectacular view at the highest point in Nebraska.

A fortified palace in the shape of a ship on the Thiou river.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

The university library shaped like a giant piece of Swiss cheese.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

These barriers stand as stark reminders of Northern Ireland's troubled past.

A small plaque highlights the damage caused by German air raids during World War II.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

Belfast's namesake river still winds below the city center, hidden from sight.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A museum marks and documents the site of the Titanic's launch.