This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

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

For one day every month Barcelona's Estació de França transforms into a market for model trains.

A beautiful but toxic fountain of mercury.

An architect transformed this abandoned cement factory into his castle-like workshop.

A surrealist labyrinth and museum of contemporary sculptures.

This semi-secret storybook hedge maze is also the oldest garden in the city.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

According to legend, Bob Dylan sneaks in twice a year to eat dinner with Jack.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

This North African stone complex is considered to be the oldest astronomical observatory on Earth.

Henry Ford's failed rubber plantation in the middle of the Amazon rain forest.

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

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.