The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

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.

This elegant arc of a waterfall marks a religious turning point.

An encyclopedic collection of mammal penises.

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

Belfast's namesake river still winds below the city center, hidden from sight.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

Historic medieval fortified city in southwest France.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

These engineering masterpieces are a dominant feature of the Belfast skyline.

The last Victorian market in Belfast.

It was once nicknamed "the most bombed hotel in Europe."

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

A museum marks and documents the site of the Titanic's launch.

One of the largest lenses of its kind ever created, this former ship beacon has been brought down to Earth.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Thousands of well-dressed mummies below a monastery.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

The world's largest reflecting pool is just two centimeters deep.