The second-tallest water tower shaped like a peach in the American South.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

Explore a wealth of fossils in one of the most prolific dig sites in North America.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

The only thing these street signs will help you navigate is your imagination.

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

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

Climbing Iceland's highest peak on the rim of the Oræfajökull volcano.

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

Three columns of volcanic rock shoot out of the ocean.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

An encyclopedic collection of mammal penises.

This stunning concert hall has become a symbol of Iceland's national recovery.

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

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

A bypass decorated with large wooden troll carvings.