A hidden architectural treasure in New York's Brooklyn.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

After a short 5 year run, this former major theme park sits in ruin.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

The Vatican of the movie industry turned into an actual church.

A beautiful 62-acre Catholic shrine and botanical garden.

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

The largest ancient burial mound in Ohio.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

Display that gathers the basic elements of the universe in one convenient location.

The largest underground church in Europe.

A marvel of Byzantine engineering under the streets of Istanbul.

Limestone caves with spectacular showcase chambers.

Tucked away on a hilltop in the backwoods of Mississippi lies the remains of a blues legend.

The seamy, underground secrets of Portland's criminal past.

From scholastic to sepulchral - now under reconstruction.

Largest cave system in Africa.

The youngest volcano in Central America.

Every autumn, this hillside is ablaze with red summer cypress.

The cafe that acts as the social hub for the small volcanic island of HMS Bounty fame.

"The Most Boring Road in the State."

Lemon Grove, California is known for its giant lemon...and mummified bodies.