Hidden just under the waters around this Turkish island are the ruins of a once great city.

Roman ruins top white travertine terraces formed by ancient hot springs.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

Flames have been burning within this mountain for more than 2,500 years.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

The animals wander freely amid this gorgeous stretch of nature.

This unique bird reserve sits within an important fragment of Brazil's Atlantic rainforest.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

Inside this old train depot resides a multi-line model train covering western North Carolina.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

A serene plaza that commemorates one of the Granite State's most iconic figures.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Even Henry David Thoreau found this glacial pothole irresistible.

The Old Man of the Mountain’s less-famous, but still beloved little brother is said to resemble a leader of the Abenaki tribe.

A strange rock formation with numerous legends trying to explain it.