The world's second largest single-dish radio telescope, once used to contact E.T.

This community-driven organization uses education and eco-friendly technology to protect the environment.

Legend has it this historic port was a popular hideout and smuggling spot for pirates.

Years of neglect and nature took a toll on this 19th-century lighthouse.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

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

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

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

The world's brightest bioluminescent bay.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

Feast your eyes upon hundreds of Nepal's native butterflies and moths.

A glittering Thai Buddhist temple in suburban Pennsylvania.

View rare birds and interact with lemurs at this nonprofit run entirely by volunteers.

From golden eagles to peregrine falcons, this rehabilitation and education center is a haven for birds of prey.

A curious building honoring past and current members of a historic musical comedy troupe.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Century-old shop, specializing in Occult products.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

This beloved marketplace mascot poops money and grants good luck.