Places marksuz Wants to Go

The land is home to swimming ponies and a legendary 18th-century treasure.

The fifth-longest natural arch in the world, and the longest outside China.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

A centuries-old forgotten underworld lies beneath Malta.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This "floating railway" is one of the world's oldest monorail systems.

Deep scars on the earth left by the Ice Age.

The heads of two giant mythological water horses honor Scotland's horselord past.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The highest point in Washington state is a volcano covered in glaciers.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A clock designed to run with perfect accuracy for 10,000 years.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

Native Americans built this circle of stones, which was used to predict astronomical events.

35,000 grape hyacinths flow like water down a garden hill.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

An astounding collection of medical specimens, including bits of President Lincoln.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

Ancient pueblos built into the base of a natural canyon wall.

Commonly referred to as the most photographed Victorian home in the United States.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.