The mounds at this site were reconstructed with the help of archaeologists and historians.

At this airport "microcinema," you can catch a film before you catch a flight.

This unique bridge is one of the last of its kind in Sweden.

A network of tunnels runs underneath the buildings of this ancient village.

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."

This papier-mâché diorama celebrates an unusual landmark: the brightly-colored runoff from a local sock factory.

The history of drinking is told through 1,800 cups, chalices, and glasses at this exhibit.

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

The short hike is worth the stunning views and crystal blue waters of a secluded beach.

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

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

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.

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

A natural swimming pool in the middle of the Carite Forest.

This "sausage route" features gorgeous views and family-owned restaurants.

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

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 museum preserves the heyday of Puerto Rican coffee.

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

Planes, helicopters, and a shipwreck are underwater in this former limestone quarry.

It's said the devil used this mushroom rock as a table for a late-night meal.