An impressive museum dedicated to the resource that made the Scandinavian country rich.

Home to three historic ships from the age of Vikings.

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

Pettah's beautiful floating market was once a stinky canal in a sketchy industrial area.

A Bohemian "anti-hotel" offers off-kilter stays in Sri Lanka.

The remains of a 37,000-year-old prehistoric society were discovered in this mammoth cave, one of the largest in Asia.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

The collection of intricate sculptures includes one carved from a mammoth's tusk

This Mexico City subway station will make you feel like you've been transported to the London Underground.

Mexico City decorates its facades with extravagant floral arrangements every year.

A curious museum of old video game consoles hidden in the back of a store.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

One of the world's richest men bought this former paper factory and transformed it into a mall.