hbhannigan's User Profile - Atlas Obscura
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Ho Chi Minh City, Vietnam

Cu Chi Tunnels

A nightmare for the claustrophobic lies hidden in Southeast Asia.
Siem Reap, Cambodia

Ta Prohm

A battle between nature and architecture in the Cambodian jungle.
Mammoth Lakes, California

Devils Postpile National Monument

Towering basalt columns, a creation of fire and ice.
Philadelphia, Pennsylvania

Wagner Free Institute

A rare view of a preserved Victorian science museum.
Shoreham, New York

Tesla's Wardenclyffe Laboratory

An unrealized dream to wirelessly electrify the entire Earth.
Livermore, California

Centennial Bulb

The longest burning light bulb in the world.
Inyo County, California

Sailing Stones of Racetrack Playa

The rocks in this arid basin leave trails of movement behind them.
Sponsored by Visit California
Santa Cruz, California

Santa Cruz Mystery Spot

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.
Pasadena, California

Mount Wilson Observatory

This former stomping grounds of the most eminent astronomers of the early 20th century.
Chichen Itza, Mexico

Pyramid of Kukulcan at Chich'en Itza

Every equinox this Maya pyramid puts on a spooky ancient light show.
Chichen Itza, Mexico

El Caracol

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.
Dublin, Ireland

Dublin's Garden of Remembrance

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."
Dowth, Ireland

Newgrange

The ancient tomb acts as a calendar that keeps perfect time.
Baker, Nevada

The Bristlecone Pines of the Great Basin

The longest living non-clonal organisms on Earth.
Boulder, Colorado

NIST-F1 Cesium Fountain Atomic Clock

The clock that sets them all.
Lovell, Wyoming

Bighorn Medicine Wheel

Native Americans built this circle of stones, which was used to predict astronomical events.
Riga, Latvia

The Very Old Oak Tree

A preserved oak tree about 3,500 years old found in Riga, Latvia.
Vienna, Austria

Clock Museum

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.
Copenhagen, Denmark

Jens Olsen's World Clock

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.
San Francisco, California

Long Now Orrery

A modern mechanical planetary system, part of a 10,000 year clock.
Norway

Svalbard Seed Bank

Cold storage for agricultural biodiversity.
London, England

Clock of the Long Now: Prototype 1

A clock designed to run with perfect accuracy for 10,000 years.
Örencik, Turkey

Gobekli Tepe

This hunter-gatherer architecture is believed to be the oldest religious complex known.
Philadelphia, Pennsylvania

Edgar Allan Poe National Historic Site

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."