An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

This ancient Visigothic church might hide an ancient treasure.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

A Spanish forest is filled with mysterious stone carvings.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

The world's largest wooden structure.

This popular cave pool is truly magical, despite the crowds.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

Commonly acknowledged as the only public monument to the Devil himself.

Naturally protected city carved from a rock face.

The ancient abodes are a testament to human ingenuity amid harsh climates.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

A little-visited waterfall in an otherworldly landscape.

This orchid sanctuary protects countless varieties of the flower, from the huge to the microscopic.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.

Mesoamerican monoliths and zoomorphic stones covered in royal visages, ancient mythology, and grand celestial events.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.