Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Op-art architecture designed for happiness.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

The topiary maze at the Habsburg hunting lodge.

Apartment complexes built into huge repurposed natural gas tanks.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

Deep scars on the earth left by the Ice Age.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

This small plaza encourages people diagnosed with cancer to never give up hope.

An unassuming 13-acre park is home to over 12,000 roses.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

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