This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

Minimalist modern art on a repurposed military base in rural Texas.

Dynastic Home of the De Piro Family.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A taste of the macabre Tokyo's ritzy shopping district.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

The mummified remains of Dashi-Dorzho Itigilov, Russia's most important Buddhist.

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

A grove of colossal man-made flowers built to collect the sun's rays.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

A cheeky architectural easter egg.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

Volcanic activity causes small pools of super-heated mud to boil furiously.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Once a home for cows and hay, this barn has been transformed into an event cathedral.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

This failed condo development was reborn as a street art hub.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

The world's largest man-made underground caverns offer unparalleled underwater wonders.