Roadside collection of 65,000 signs.

The arch marks the beginning of the road for northbound travelers.

This vast and otherworldly landscape is one of the largest dune complexes in North America.

The ancient latrines of the Greeks, in all their public glory.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

This famous city eluded concrete detection until the early 2000's.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A secluded oasis of contemporary art and natural beauty.

An early 20th-century bullring converted into a modern shopping center.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The construction of this bridge dates back to the 15th century.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.