The largest greenhouse in the world is home to over one million types of plants.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

This small primate research island is teeming with playing, fighting wild monkeys.

The world's brightest bioluminescent bay.

Every color in the rainbow awaits.

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

Bioluminescent firefly squid light up this Japanese fishing port.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This Canadian exhibit with claims as the largest one man taxidermy collection in North America.

Antiques shop filled with all manner of curious collectibles.

This intriguing museum chronicles the history and impact of immigration in Brazil.

São Paulo's oldest magic shop has been hiding in plain sight for nearly four decades.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

This 1920s Dutch barge is now a floating bookstore.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A mysterious artist-run cabinet of curiosities and library.