A grotesque Fiji merman dwells within this traditional Dutch-style building.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

When you can't get to the Pacific, just go to Florida.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

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

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

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

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

This stunning concert hall has become a symbol of Iceland's national recovery.

This tiny museum's sizable collection is jammed into a former underground public toilet.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

Three columns of volcanic rock shoot out of the ocean.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

Curtiss is a forgotten figure in the early history of flight.

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

A local prank turned town icon.

An outlandish shoe shaped house built by an eccentric millionaire.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.