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

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

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

This tiny home was originally a narrow alleyway.

These red and black houses were awarded to the firefighters who saved their city from an enormous blaze.

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

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

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

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

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

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

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

The home studio one of Britain's first independent record producers is also the site of a murder-suicide.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The last four extravagant street signs of London's historic banking street.

You will not be able to miss this building.

Where's a guy to go after a long, hard day at work?

A celebrated bandstand at the center of what was once the worst slum in London.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Historic church where a number of Shakespeare's actors are buried.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.