Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

Come for the springs; stay for the mud bath.

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

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

This colorful gate stands as an entrance to the walled city of Old San Juan.

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

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

The record holder for the world’s largest peach.

A relic of FDR's brief foray into utopian urban planning.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

A tribute to two brothers' artistic endeavors.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

This statue of two men in a rowboat was erected to honor those who died while fishing in the Chesapeake Bay.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

The Decoy Capital of the World.

This historic lighthouse was well known for the large number of women who served as its keeper.

This abandoned sea fort has become an accidental bird sanctuary.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

A museum dedicated to exhibiting remarkable outsider art.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

This grove was planted more than a century ago by the War Mothers of World War I.