An overlooked collection of over 350,000 artistic works created by psychiatric patients using art therapy.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

A 125-meter long "tribute to the Brazilian people."

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

This sculpture garden creates a whimsical aura in an urban and wild environment.

Beautiful public park off the beaten path and away from tourists.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

Now in disrepair, this 19th century station was a stop on of the famed B&O Railroad.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Stroll around the headstones of notable figures from Knoxville's history, as well as towering monoliths and melancholic headstones.

This historic train station has been converted to a locomotive themed hotel.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

On land once deemed “valueless,” a multipurpose community garden proves the potential of urban farming.

A hidden oasis just two minutes from downtown Atlanta.

A little-known mural reveals the hydrological reason for Atlanta's founding in this location.

The first singer to cut a country music record is buried in a small graveyard in Atlanta, Georgia.