Places dstarr7517 Wants to Go

A volcanic crater that visitors can look inside.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A geological bull's-eye visible from outer space.

The once and future home of New Zealand's famed Pink and White Terraces.

A remote and picturesque volcano nestled inside another volcano.

This 16th-century watchtower once defended Spain's Atlantic coast from pirates.

The world's second largest single-dish radio telescope, once used to contact E.T.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

This is no regular fort! It’s a star.

These caves secretly held national treasures during World War II.

World's largest cave was only discovered in 1991, and now offers tours to the public.

An underground spring in a labyrinthine cave system, decorated with stalagmites and stalactites.

Built in 1904 as a lavish gift for a daughter, it is one of Croatia's youngest and most architecturally unique castles, blending Art Nouveau with neo-Gothic elements.

Ancient Greek oracle of the dead.

A pilgrimage around a forbidden peak sacred to four faiths.

This giant sculpture recalls a famous passage from “Alice in Wonderland.”

This alluring underground library, hidden in a suburban Metro station, features a Space Age aesthetic and its own hydroponic garden.

A wooden dock art installation on Chiloé Island taps into the island's indigenous mythology.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

These limestone cliffs are associated with the Greek myth of Prometheus.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.