The summer tourists on these cliffs are thousands of seabirds.

A replica of the decorated wooden pillars Viking sailors threw overboard when finding new places to establish a settlement.

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

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

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

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

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

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

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

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Baroque celebration of the end of the Great Plague of Vienna.

Handsomely crafted representations of our round planet.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Apartment complexes built into huge repurposed natural gas tanks.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A unique hotel for the artistic soul.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.