In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.

A riverfront park that both remediated and preserved its industrial past.

Final resting place of Typhoid Mary.

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

This former sugarcane transport tunnel is now a portal to a lovely beach.

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

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

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

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

A former connection to City Island, it has been abandoned since the 1930s.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Little Red Lighthouse under the George Washington Bridge.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.