Ancient snack bar of the Roman Empire re-opened.

The world's most active stratovolcano is almost always erupting.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Venice's island of the dead.

Go inside to really appreciate this 500-year-old technological masterpiece.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Three columns of volcanic rock shoot out of the ocean.

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

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

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

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

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

A tiled, multi-level garden of survival in Lyon.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This massive blockhead sculpture hides an entire library.