Slum Settlement Filled With Mountains of Garbage.

This former tuberculosis treatment facility now stands at the center of a public park.

Once home to more than 50 displays of freshwater fish.

The spectacular collection of one of the world's best woodcarvers.

This Brazilian palace island was once the site of the last grand ball before revolution.

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

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

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

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.

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

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

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

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

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

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

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

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.

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