Michelle Cassidy's User Profile - Atlas Obscura
San Francisco, California

Encryption Lava Lamps

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.
Nagold, Germany

Platanenkubus

A German town is growing a building out of trees.
Saint Petersburg, Russia

Chizhik Pyzhik

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.
London, England

British Optical Association Museum

The world's oldest optical museum is an odd collection where the exhibits look at you.
Anchorage, Alaska

Turnagain Arm Bore Tide

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.
Gwynedd, Wales

Ash Dome

The artist David Nash planted a circle of trees in 1977.
Yeadon, Pennsylvania

Unmarked Grave of H.H. Holmes

America's first serial killer rests in anonymity.
Mito, Japan

Ogushi Kaizuka Park

A park built around the legend of a clam-loving giant who created a monumental midden.
Gubbio, Italy

Mount Ingino Christmas Tree

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.
Toronto, Ontario

SkullStore Oddity Shop

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.
Puerto Misahuallí, Ecuador

Sinchi Warmi Amazon Lodge

An exotic jungle hideaway run entirely by indigenous Kichwa women.
Chicago, Illinois

Poetry Foundation Library

The 30,000-volume library is one of the world's most impressive poetry collections.
Quito, Ecuador

Garcia Moreno Prison Museum

An abandoned Ecuadorian prison that once held ex-presidents and notorious con artists is now a carceral museum.
Lahti, Finland

Lahti Ski Jump Tower

Every summer, an open-air swimming pool appears at the base of a Finnish city's beloved winter attraction.
Kyoto, Japan

Kyoto Botanical Garden

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.
Columbia, New Jersey

Paulinskill Viaduct

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.
Mosta, Malta

Rotunda of Mosta

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."
Tarpon Springs, Florida

Spongeorama Sponge Factory

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."
Dunedin, New Zealand

The Alexander Piano

One of the world's largest pianos is displayed in the workshop of the man who built it as a teenager.
Beirut, Lebanon

The Grudge (Al Ba’sa)

Beirut's thinnest building was the result of feuding brothers.
Badrshein, Egypt

Pyramid of Djoser

This ancient structure is widely thought to be the oldest intact pyramid in the world.
Harvard, Nebraska

Harvard Jail House

The two-cell building in Nebraska was briefly owned by a teenage boy and then a Hollywood dummy.
Winchester, Connecticut

American Museum of Tort Law

It was founded by Ralph Nader to educate the public about an often-maligned area of law.
Kumamoto, Japan

Kumamoto Castle

The iconic castle that withstood a magnitude 6.2 earthquake has become a symbol of resilience.