An elegant space dedicated to a master of romanticism and minimalism.

It was dubbed the "Garden of Plates" because it's covered in pieces of discarded dishes.

The remains of a centuries-old water system that inspired local legends of secret tunnels.

One man's personal collection of more than 2,000 creepy-crawlies from around the world.

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

An artisanal toy-maker’s works are highlighted in this museum dedicated to the craft of toys.

Inside this gallery is amazing folk art from across Mexico.

A sixth-century Byzantine cistern hidden below a modern carpet store.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A little-known caravanserai hidden among farmhouses in the Turkish countryside.

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

A deadly ancient portal to the underworld.

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

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

This 11th-century Greek monastery has renowned mosaics and relics of a brutal past.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

This museum was invented in a novel before being made real by the author.

A Turkish ghost town abandoned in a population exchange with Greece.

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

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

A charming beach town in Turkey captures all the colors of the rainbow.