Boulder City, Nevada
Hoover Dam Old Exhibit Building
Experience a charming 1930s version of "infotainment."
Places I want to go
Places on this traveler's wishlist.
Boulder City, Nevada
Experience a charming 1930s version of "infotainment."
Hillsborough, California
This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.
Wieliczka, Poland
An underground city of salt.
Civita, Italy
This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.
Khewra, Pakistan
The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.
Zipaquira, Colombia
Cathedral carved out of salt, located a mile below the Earth's surface.
Oroville, California
Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.
Mulgrave-et-Derry, Québec
What was once the largest mine in North America has left behind a hollow hill filled with bright blue waters.
Bonne Terre, Missouri
The world's largest man-made underground caverns offer unparalleled underwater wonders.
Morondava, Madagascar
The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.
Cave City, Kentucky
One of the few surviving "Wigwam"-themed motels.
Grand Rapids, Michigan
The museum moved on, but the diorama remain.
Joliet, Illinois
What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.
Wrangell, Alaska
Low tide reveals 8,000-year-old rock carvings in Southern Alaska.
Fremont, California
The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.
San Francisco, California
The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.
San Francisco, California
Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.
Regensburg, Germany
From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.
Doganella di Ninfa, Italy
Ruins of a 10th century church tucked away deep in a botanical garden.
Ercolano, Italy
Pompeii's less famous neighbor is still revealing her secrets.
Belfort, France
A colossal sculptural lion built by the same man who designed the Statue of Liberty.
Benicia, California
The rusting remains of the largest assembled WWII fleet on the West Coast.
Koror, Palau
An isolated dive site teeming with cnidarians.
Shelton, Washington
The second tallest railway trestle bridge in America.