No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

Japanese island famous for poison gas and fluffy bunnies.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Hot springs monkey spa in the middle of Hell's Valley.

On Japan's Tashirojima Island, cats are king.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The most southern point you can drive to in the Western Hemisphere.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A gateway to a mysterious network of underground tunnels.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

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

Little India's hidden gem of kindness and good food.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

Singapore's landscaping project is home to 18 incredible Supertrees.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chernobyl disaster.