Thessaloniki, Greece
Heptapyrgion Fortress
An abandoned Byzantine fortress and notorious prison.
Places I want to go
Places on this traveler's wishlist.
Thessaloniki, Greece
An abandoned Byzantine fortress and notorious prison.
Montville, Connecticut
The world's largest indoor go-kart racetrack is hiding in Connecticut.
Valdivia, Chile
A 300-foot-long Cold War submarine floats in a Chilean River as a maritime museum.
San Diego County, California
The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.
Provincia de Bongará, Peru
The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.
Unyun pruwinsya, Peru
With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.
Edwards Air Force Base, California
Etched into a dry lake bed, this massive directional indicator is accurate without magnets.
Nushabad, Iran
A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.
Eureka Springs, Arkansas
This futuristically sylvan church is a glass-enclosed marvel of modern architecture.
Mechanicsville, Virginia
The skeletal white beams stand as a monument to religious dissent.
Houghton le Spring, England
The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.
Saint-Rivoal, France
An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.
Tambopata, Peru
This small oxbow lake has rare giant river otters and some Seussian-sounding birds.
Tambopata, Peru
One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.
Camelford, England
A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.
Kilwa Masoko, Tanzania
Stunning ruins of what was once the center of one of the greatest empires in East Africa.
Sandwick, Scotland
A remarkably well preserved tower dating all the way back to the Iron Age.
Nakhl, Oman
An imposing Omani fortress surrounded by date palm trees.
Richland Center, Wisconsin
The only Frank Lloyd Wright-designed structure in the architect's hometown.
Viscri, Romania
A medieval church built up to defend its village.
São Miguel, Portugal
This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.
Forks, Washington
Stroll through a wonderland of stupendous moss-covered trees.
Jaipur, India
More than half of this Indian palace is drowned but it looks all the more spectacular for it.
Fackler, Alabama
This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.