Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This historic streetcar system has been running since the 19th-century.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

Virgil's many-mouthed gateway to the underworld.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This historic national park is covered in the stunning ruins of red rock pueblos.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

An eatery within the Minneapolis American Indian Center writes colonial ingredients out of the story of Native American cuisine.

San Francisco's newly reopened hands-on science museum.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

Only hotel where you can legally launder money.

A huge musical instrument played by the ocean.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

Neo-cave art on the macro scale.

Quite simply the largest tree in the world (by volume).