Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This 20th-century mansion plays a key role in one of Puerto Rico's greatest novels.

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

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

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

Puerto Rico's once thriving oil company is now an abandoned wonderland of rusty steel.

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

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 historic national park is covered in the stunning ruins of red rock pueblos.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.