In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

This unusual lava tube spouts seawater during high surf.

This small chapel is built of human bones and decorated with a golden skeleton.

Feast on buckets of garlicky snails.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A replica of the Roman emperor in glorious full color.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

A 12th century church completely covered in shells.

This enormous censer uses a pulley system installed over 400 years ago.

This enchanting natural park is a magical example of a temperate rainforest in Europe.

Two large posteriors in one giant statue.

Stormy conditions send jets of seawater bursting through holes in the cliffs.

This beautiful spit of land was once the summer playground of the king of Spain.

France's highest manned weather station is the only one still inhabited by meteorologists.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Unruly residents were housed in this one-person cell until the Black Maria arrived.

This memorial, built by fascist dictator General Franco in 1960, has been repurposed by the people of Catalonia.

This Roman arena once played host to bloody gladiatorial battles.

Long tunnels run under the ancient chariot racing circuit to the tower.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

This amazing piece of modern art honors the hundreds of fishermen killed during Cambrils' "year of misfortunes."

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.