This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

An ancient necropolis of magnificent tombs.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Quite simply the largest tree in the world (by volume).

This hidden fire lookout offers spectacular views of Sequoia National Park.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

Visible from both land and sea.

An engineering masterpiece, or “Scheme of Madness?”

Alien rock formations grown from the sands of an Australian national park.

One of the few places in the world home to living stromatolites.

Incredible rock formations jut from the southern end of this spectacular stingray-viewing spot.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

Abstract dinosaur models in London.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

This peaceful park with centuries of history hides in an overlooked section of South London.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

This mysterious chalk figure of a horse has been recreated and restored for more than a century.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.