Stoholm, Denmark
Mønsted Kalkgruber
Nearly 40 miles and 1,000 years of limestone mines under Denmark.
Places I want to go
Places on this traveler's wishlist.
Stoholm, Denmark
Nearly 40 miles and 1,000 years of limestone mines under Denmark.
Hope Valley, England
These crude contraptions were used to aid in the mining of lead, silver and gold.
Jeongseon, South Korea
This former coal mine has been turned into a sprawling modern art complex.
Mantua, Italy
A young Italian couple has been locked in an embrace for over 6,000 years.
Orem, Utah
An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.
Monte, Portugal
Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."
Braga, Portugal
A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.
Columbia, Missouri
Curious cave that stays a cool 56 degrees all year long.
Puerto Río Tranquilo, Chile
Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.
Porto, Portugal
One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.
Atlantic Ocean
Fascination continues to surround one of history's most infamous shipwrecks.
Amiens, France
Science fiction's grandfather has a fittingly marvelous tomb.
Cleveland, Ohio
The angel of death appears to weep black tears at this grave marker.
Évora, Portugal
A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.
Idanha-a-Nova, Portugal
Houses are tucked between, on, and underneath giant boulders.
Sintra, Portugal
This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.
Barcelona, Spain
A beautiful but toxic fountain of mercury.
Barcelona, Spain
Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.
Silver Spring, Maryland
Brain collection and database that narrows the gap between man and animal.
Baltimore, Maryland
The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.
Baltimore, Maryland
One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.
Baltimore, Maryland
It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”
Brazil
An abandoned stretch of elevated road in the middle of the Brazilian jungle.
New York, New York
A dilapidated dock tells the story of Titanic’s missed arrival.