An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

When struck, the strange stones in this park ring like bells.

A long-disputed island that Denmark and Canada claim by periodically alternating flags and bottles of liquor.

Neither bomb blasts nor heartbeats escape the giant ears of this super sci-fi Arctic outpost.

Rare mummified forest could offers a glimpse into how our environment has been changed by humans.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

The house that Southern rock built now stands as a monument to one of the genre's favorite families.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

This kitschy tavern is also home to rare early editions of "Treasure Island."

Carved faces add a touch of magic to this island's impressive oak trees.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

This stone is a marker of one millionaire's personal vendetta against gravity.

"X" marks the spot of an echo chamber in the middle of a plaza.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

A vision of beautiful Hindu architecture in the middle of the American South.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

Secret gardens just a few miles from downtown Atlanta.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

This folk art compound was built by a fortune teller on the advice of three people from the future.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

The South Carolina competition challenges you to trap as much grits on your body as possible.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.