In the Shawnee National Forest, amazing rock formations peer through the treeline.

Half of a waterfall goes into the river while the other half seems to disappear.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

An abandoned fish-shaped drive-in gets a second life as a restaurant.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

An eerie collection of the surviving structures from a past celebration of the future.

A 16th-century Andalusian palace.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A lush indoor jungle fills this bustling Madrid transportation hub.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Mountain where Jesus was first tempted by the Devil.

This cemetery features modernist statues as strange as its name.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

This abandoned hospital is one of the most haunted places in Costa Rica.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

Sloth rehabilitation center in the jungle of Costa Rica.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.