gjbultema's User Profile - Atlas Obscura
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Huehuetlán, Mexico

Sótano de las Golondrinas (Cave of Swallows)

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.
Elberton, Georgia

Georgia Guidestones

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.
Lake and Peninsula, Alaska

Proenneke's Cabin

The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.
Hong Kong

Quarry Bay 'Monster Building'

This hulking behemoth is actually five interconnected towers built in the 1960s.
Dunedin, New Zealand

Baldwin Street Houses

One of the world's steepest streets seems to have houses sliding down it.
Los Angeles, California

Great Wall of Los Angeles

One of the world's longest murals depicts the history of diversity in Los Angeles.
Eureka Springs, Arkansas

Thorncrown Chapel

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.
Élancourt, France

France Miniature Park

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.
Nampa, Idaho

Map Rock

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.
Culver City, California

Center for Land Use Interpretation

A museum, art project, and institution that demands we look at the world around us in a strange new way.
Scottish Borders, Scotland

Great Polish Map of Scotland

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.
Minneapolis, Kansas

Rock City

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.
Put-in-Bay, Ohio

Perry's Victory and International Peace Memorial

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.
Harmony, Minnesota

Niagara Cave

This large midwestern cavern features impressive rock formations and an underground waterfall.
Paradise, Michigan

Great Lakes Shipwreck Museum

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.
Superior, Wisconsin

A World of Accordions Museum

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.
Milwaukee, Wisconsin

The American Geographical Society Library

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.
La Pointe, Wisconsin

Apostle Island Sea Caves

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.
San Francisco, California

Alcatraz Island

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.
Dearborn, Michigan

Dymaxion House

The only surviving prototype for Buckminster Fuller's house of the future.
Montreal, Québec

Habitat 67

This 1967 experiment in modular architecture was designed to be a new model for urban living.
Hell, Michigan

Hell, Michigan

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.
Detroit, Michigan

Belle Isle Aquarium

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.
Detroit, Michigan

Giant Boxing Arm of Joe Louis

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.