This black shoreline is made up of exploded lava particles.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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

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

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

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

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

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

The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

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

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

One of the last functioning antique elevators in Chicago.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

This ancient Egyptian obelisk still bears the wounds of World War I.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The house where John Wilkes Booth conspired with his co-conspirators.