The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

The abandoned Bermudian home of a British naval leader is surrounded by crumbling sporting fields and the graves of convicts.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

Plains of ash and pair of semi-active volcanoes contribute to the otherworldly beauty of this little-known Vanuatu island.

Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.

This Sumatran root bridge took almost 30 years to knit itself together.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

This secluded Iceland farm holds the collected works of one rural sculptor's creations.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This remote castle was built to be a wealthy businessman's palace of vice but is now simply a historic vacation cottage.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

The final resting place for Bermuda's British military, including a man who died of sunstroke.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

Take a cruise with no movement but plenty of style in this one-of-a-kind boat mall.

This chimerical bridge/tunnel appears to dead end right into the sea.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.