A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The final resting place of New Orleans' most famous voodoo priestess.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Eighty million natural history specimens call this gargantuan museum home.

This poignant art installation raises awareness of violence against women.

This tiny museum's sizable collection is jammed into a former underground public toilet.

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.

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.

Elvis's own personal tropical hideaway.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The world's northernmost aquarium looks like it has fallen over.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

Terrifying derelict military hospital once housed a recuperating Hitler.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.