The artwork that Italians felt California didn't deserve.

The angel of death appears to weep black tears at this grave marker.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

An enormous, inside-out glass globe built in 1935.

Moss and stone turn this waterfall into an otherworldly liquid veil.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

A beautiful but toxic fountain of mercury.

Caves famous for the dragon-slaying saint who lived there.

A natural gas leak provides a flickering flame beneath a waterfall.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Most-visited and most-photographed slot canyon in the American Southwest.

Abandoned anti-ballistic missile base.

A modern day curiosity cabinet.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Suburban observatory was personal lab of the father of modern astrophysics.