An encyclopedic collection of mammal penises.

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 from the mineral-rich runoff of a geothermal power plant

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

This popular pitstop lives up to its name.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

A monument celebrating the idea of reaching inaccessible places.

The highway's southernmost spot is a beloved local attraction.

Found: Garden of Eden in Miami-Dade County, Florida.

A community of collapsing homes more than a mile out from the Florida coast.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A massive sea stack famous for its appearance in The Goonies.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

In which a local geological marvel becomes a quaint roadside attraction.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A bit of retro transportation flair preserved in the world's largest department store.

Prove you deserve to be fed by Kenny Shopsin.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.