An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

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

An iconic location along the Los Angeles River where countless movie scenes are filmed.

A multimedia experience that chronicles the atrocities of racism.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

This museum preserves the heyday of Puerto Rican coffee.

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Archaeological sites and great food inside the island's largest mangrove forest.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This tiny home was originally a narrow alleyway.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

The world's second largest single-dish radio telescope, once used to contact E.T.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

This memorial pyramid marker honors one of the United States Government's first official camel riders.