The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A quirky collection of outsider art made from automobile parts.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Just outside the Ohio Supreme Court sits a testament to justice.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

This beautiful, historic church looks like something out of a simpler past.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Walk in the footsteps of the gods and straddle two tectonic plates.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

Three columns of volcanic rock shoot out of the ocean.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.