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

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

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

Are they the remains of a fallen hotel, or the final stronghold for escaped Nazis?

A memorial to the victims of Argentina's "Dirty War."

Visit this odd display of indigenous style in Argentine wine country.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

This sculpture meant to honor the bravery of the Indigenous Mapuche people of Chile proved controversial.

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

The largest stone moai on Rapa Nui.

Five miles of underground river link lake to ocean.

Bohol's mysterious brown hills.

A deserted 20-lane highway runs through Myanmar's empty capital city.

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

Astronomical observatory above Lake Titicaca.

A valley of unique erosion patterns lends to a view like nothing on Earth.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

Where the line between entertainment and aerospace blurs.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Caves full of Buddhist statues, incredible rock formations and a deserted lagoon.

The ruins of this prominent glass factory yield hidden treasures buried among the jungle floor.

A Sri Lankan tea factory's ironic take on the Los Angeles landmark.