Mark Casey's User Profile - Atlas Obscura
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Places added to Belfast, Northern Ireland
Toronto, Ontario

Sewers of Toronto

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.
Mark Casey Added by Mark Casey
Ponce de Leon, Florida

Vortex Spring

A humid oasis combines recreation with exploration in a unique underwater cavern.
Mark Casey Added by Mark Casey
London, England

Guildhall's Underground Roman Amphitheater

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.
Mark Casey Added by Mark Casey
London, England

London Wall

Scattered throughout London are ancient remnants of the city's former bounding wall.
Mark Casey Added by Mark Casey
Puteaux, France

'Le Pouce,' The Giant Thumb Sculpture

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.
Mark Casey Added by Mark Casey
Atlantic Ocean

Wreck of the Titanic

Fascination continues to surround one of history's most infamous shipwrecks.
Mark Casey Added by Mark Casey
Broken Hill, Australia

Titanic Bandsmen Memorial

A modest park memorial pays tribute to one of the Titanic's most revered storylines.
Mark Casey Added by Mark Casey
Belfast, Northern Ireland

Launch Site of the Titanic

A museum marks and documents the site of the Titanic's launch.
Mark Casey Added by Mark Casey
New York, New York

Pier 54: The Titanic's Arrival Destination

A dilapidated dock tells the story of Titanic's missed arrival.
Mark Casey Added by Mark Casey
Casma District, Peru

Huayllay National Sanctuary

A remarkable geological formation resembling a forest made of stone.
Mark Casey Added by Mark Casey
Hildebran, North Carolina

Abandoned Henry River Mill Village

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.
Mark Casey Added by Mark Casey
Arica, Chile

World's Largest Coca-Cola Logo

70,000 empty bottles of Coke comprise an ad seen only from the air.
Mark Casey Added by Mark Casey
Tombstone, Arizona

Boothill Graveyard

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.
Mark Casey Added by Mark Casey
São Domingos do Capim, Brazil

Surfing the Amazon

Once a year, ambitious surfers can ride the world's largest river.
Mark Casey Added by Mark Casey
Seymour, Indiana

Graves of The Reno Gang

The lynching and burial site of America's first train robbers.
Mark Casey Added by Mark Casey
Dinant, Belgium

International Regatta of Bathtubs

This annual Belgian water race attracts bathtub captains from all over the world.
Mark Casey Added by Mark Casey
Bloomington, Indiana

Empire Quarry

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.
Mark Casey Added by Mark Casey
Washington, D.C.

Darth Vader Grotesque

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.
Mark Casey Added by Mark Casey
Key West, Florida

Truman's Little White House

A historic presidential getaway on the continental United States' southernmost island.
Mark Casey Added by Mark Casey
San Francisco, California

Treasure Island

A man-made island in scenic San Francisco Bay.
Mark Casey Added by Mark Casey
Orient, New York

Plum Island Animal Disease Center

A tiny islet just off Long Island offers a wealth of infectious curiosities.
Mark Casey Added by Mark Casey
Albany, Indiana

Albany Shoe Tree

One tree's homage to soles past and present.
Mark Casey Added by Mark Casey
Indianapolis, Indiana

Indianapolis Moon Tree

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.
Mark Casey Added by Mark Casey
Mooresville, Indiana

Mooresville's Gravity Hill

This mysterious hill seems to pull objects uphill.
Mark Casey Added by Mark Casey