Built in 1512, the oldest cathedral in the Americas.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

A common entry point to the Griffith Observatory trail holds its own wonders.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

The modern birthplace of Irish freedom.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The ancient tomb acts as a calendar that keeps perfect time.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

A mysterious Neolithic tomb is perched along the edge of a modern golf course.

This World War II relic let Allied pilots know they were entering neutral airspace.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

A moody and picturesque riverside ruin overgrown with vegetation.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Authentic gondola hanging from the ceiling, notable mural in the back room.

60 feet of towering steel balances gracefully.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

A historic fort commemorating the United States' naval history.

This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.