Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

A modern artist's primitive stone faces and unique rock instrument join Iceland's terrain with its history.

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

Three columns of volcanic rock shoot out of the ocean.

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

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A massive tribute to this small county's top agricultural product.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Community bookshelf of 25-foot-tall book spines.

This otherworldly church spire reaches up toward the heavens.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

This abandoned prison castle has become an imposing gallery of graffiti art.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

France's most famous cemetery, with some of its most curious tombs.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A surrealist timepiece by the artist of melting clocks.