Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a unique monument honoring a great character who inspired a generation of young women to be more and pursue their dreams.

At 431 feet and 10 inches, this is the longest historic covered bridge in the United States.

This Indianapolis landmark offers a secret panoramic view of the city. 

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Marine fossils from the Devonian period are exposed at this park.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

An open-air "garden" of mural art that changes weekly.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

A beer pipeline runs beneath Bruges.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.