The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The city that saw the birth of Sweden is now home to an impressive collection of work from its favorite artist.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

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

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This super steep hike ascends 2,000 feet in less than a mile.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

For over 300 years this little carving has been the city’s good luck charm.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

This roundabout was renamed in honor of the Swedish king's royal fender-bender.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.