Rye, Colorado
Bishop Castle
The largest self-built castle in the U.S., six decades in the making.
Places I want to go
Places on this traveler's wishlist.
Rye, Colorado
The largest self-built castle in the U.S., six decades in the making.
Cañon City, Colorado
The highest bridge in America was built for an almost unnervingly small amount of money.
Leadville, Colorado
Abandoned silver mine strewn with wrecked and twisted structures.
Sedona, Arizona
A spiritual vortex among the red rocks in Sedona.
Midway, Utah
This geothermal hot spring hides beneath a slowly growing mineral dome.
Skipton, England
Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.
Washington, D.C.
A tiny piece of the Moon is embedded in this stained glass masterpiece.
London, England
This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.
London, England
The largest of London's subterranean rivers and once a mad, bad center of London life.
London, England
Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.
London, England
The perfectly preserved underground rooms where Churchill plotted the war against Germany.
London, England
Hidden beneath the streets of London is a secret subway that only carried mail.
Oxford, England
Used as an example in one of the first dictionary entries for "museum" in 1706.
Amsterdam, Netherlands
This basement museum explores the art and artistry of fascism.
Denver, Colorado
Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.
Boulder, Colorado
The clock that sets them all.
Brussels, Belgium
Climb inside an iron crystal magnified 165 billion times its normal size.
Wuppertal, Germany
This "floating railway" is one of the world's oldest monorail systems.
Iceland
Walk in the footsteps of the gods and straddle two tectonic plates.
Iceland
Climb right into the heart of this colorful Iceland volcano.
Iceland
One of the most remarkable caves in all of Iceland was created by a once raging river of lava.
Reykjavik, Iceland
One of the tallest buildings in Iceland, and perhaps, the most visually impressive.
Hamragarðar, Iceland
This fantastical waterfall is hidden in a cave located in a cracked cliff.
Iceland
A sulfuric martian landscape that looks far better than it smells.