A glacier pocked with ice caves and surrounded by rainforests.

Edoras, capital city of Rohan in Lord of the Rings, once sat atop this isolated New Zealand mountain.

A perfect turquoise lake colored with glacier dust.

A gigantic sculpture garden is packed with innovative oddities.

One of the world's largest Tesla coils.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

Deadly scalding and one of the largest hot springs in the world.

A Maori village obliterated by an 1886 volcanic eruption.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

A Gothic cathedral created from volcanic rocks.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

The mansion-like building is packed with Texas pride.

This secret cemetery where no flag is allowed to fly holds the bodies of American soldiers convicted of heinous crimes during WWII.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

A deserted hodgepodge of experimental structures designed by nearby university students.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This giant disembodied horse head seems to balance impossibly on its nose.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.