As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

A vertically floating hemlock controls the waves and weather at Crater Lake.

A dark tunnel leads to a striking white crater that seems to be from another planet.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

Home to items never before seen by the public.

An abandoned saucer-shaped monument in the Bulgarian mountains.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

This frequently-photographed waterfall takes only a short hike to visit.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Hollowed out cedar log tubs set in an ancient towering forest.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A surreal museum of extraordinary industrial objects.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

Geothermal waterfalls in Tuscany.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

The largest and most famous wax anatomical collection anywhere in the world.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

Renaissance villa and gardens complete with a tormented colossus.