The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

This subterranean funicular is one of the world's smallest subways.

This enormous censer uses a pulley system installed over 400 years ago.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

The site of a legendary battle immortalized in medieval literature.

A delightful museum devoted to the history of books.

This remarkable museum sprung from one of the most important prehistoric archaeological sites in the world.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This public park was the site of the largest civilian disaster of the Civil War.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This secluded walking trail is a hidden gem of a Pittsburgh park.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Largest Roman Catholic church in North America.

Century-old shop, specializing in Occult products.