Nafplio, Greece
Bourtzi
This 15th-century island fortress later served as home to the executioners no one wanted to live near.
Places I want to go
Places on this traveler's wishlist.
Nafplio, Greece
This 15th-century island fortress later served as home to the executioners no one wanted to live near.
Vienna, Austria
Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.
Nottingham, England
The ancestral home of beloved English poet Lord Byron has a bizarre history.
Flossenbürg, Germany
A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.
London, England
A 1,215-foot tunnel transports pedestrians beneath the River Thames.
London, England
A 2000-year-old Roman amphitheater lies just below Guildhall Yard.
San Diego, California
Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.
Kolkata, India
An eclectic mix of influences rot together in harmony in this India necropolis.
Galway, Ireland
While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.
Ireland
Local legend says the remains of Father Christmas lie within the medieval grounds.
London, England
Hidden beneath the streets of London is a secret subway that only carried mail.
Olenivka, Ukraine
Submerged busts of communist and socialist figures from the USSR.
Tanzania
Stay in your own little bubble.
Monduli, Tanzania
The culture that built these Tanzanian ruins displayed advanced knowledge of irrigation technology before mysteriously disappearing.
Kilwa Masoko, Tanzania
Stunning ruins of what was once the center of one of the greatest empires in East Africa.
Cardiff, Wales
A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.
Tongwynlais, Wales
High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.
Aberystwyth, Wales
A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”
Hackensack, New Jersey
A World War II-era submarine is stuck in the mud in New Jersey.
Durham, North Carolina
This research center for rare prosimians is studying how they sleep to help prolong human life.
Milton, Scotland
This Scottish bridge seems to compel dogs to leap to their death.
Traquair, Scotland
The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.
Rothenburg ob der Tauber, Germany
Horrifically creative torture devices and shame punishments line the walls of this chilling museum.
Oman
Nature's water park in the Wadi Bani Awf valley is full of pools flanked with cliffs and natural water slides.