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

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Rising from the sea like a stone monster.

Staves, storm-calling, and of course, necropants.

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

Medicinal spa created with the discharge from a geothermal energy plant.

These sea caves are the source of Xigia Beach's distinct aroma.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

Get hands on with the technological marvels of the Classical world.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

This beehive tomb built for royalty sat hidden for over 3,000 years.

Step inside an ancient beehive tomb built for a mysterious cult hero.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The rocky remains of an ancient Greek forest.

A little-known park with unusual, half-ruined structures and a mystical energy.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

The ruined doorway is a portal to the building's turbulent and torturous past.

This famous archeological mystery may be an ancient example of movable type.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

Local lore says two enemy dragons live within these breathtaking mountain lakes.