alessandralee's User Profile - Atlas Obscura
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Greccio, Italy

Santuario di Greccio (Sanctuary of Grecci)

One of the four sanctuaries of Rieti's Holy Valley was the site of the first living nativity scene.
Formia, Italy

Eremo di San Michele Arcangelo (Hermitage of Saint Michael the Archangel)

Hidden in a high mountain cave, this hermitage dates back to the ninth century.
Cottanello, Italy

Eremo di San Cataldo (Hermitage of Saint Cataldus)

When occupying Nazi troops detonated a mine below, medieval frescoes were revealed in this small cliff-side hermitage.
Caramanico Terme, Italy

Eremo di San Giovanni all'Orfento (Hermitage of Saint John all'Orfento)

You can only access this hermitage by crawling under a ledge suspended above an overhang.
Roccamorice, Italy

Eremo di San Bartolomeo in Legio (Hermitage of Saint Bartholomew in Legio)

This iconic rock hermitage was once the abode of a future pope.
Raiano, Italy

Eremo di Saint Venantius (Hermitage of Saint Venantius)

A holy stone inside this spectacular hermitage is said to have healing properties.
Toronto, Ontario

Sewers of Toronto

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.
Washington, D.C.

Clean Rivers Tunnel

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.
Brussels, Belgium

Musée des Égouts Bruxelles (Brussels Sewer Museum)

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.
Brighton, England

Brighton's Victorian Sewers

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.
Rome, Italy

Cloaca Maxima

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.
Barcelona, Spain

Sewers of Barcelona

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.
Cologne, Germany

Chandelier Hall

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.
North Vancouver, British Columbia

Capilano Suspension Bridge

This expansive bridge in the Canadian wilderness was originally just built for friends.
Assin South, Ghana

Kakum Canopy Walk

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.
Leuk, Switzerland

Bhutanese Bridge Over the Illgraben

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.
San Marcello Pistoiese, Italy

Ponte Sospeso

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.
Zhangjiajie, China

Zhangjiajie Glass Bridge

The latest in a series of long glass bridges suspended at terrifying heights.
Sasso di Castalda, Italy

Ponte alla Luna

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.
Constantine, Algeria

Sidi M'Cid Bridge

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.
Punakha, Bhutan

Punakha Suspension Bridge

This colorful overpass is one of Bhutan's longest suspension bridges.
Lekki, Nigeria

Lekki Conservation Center

This Nigerian nature reserve is home to the longest canopy walkway in Africa.
Forks, Washington

One Square Inch of Silence

A tiny red pebble marks what may be the quietest outdoor spot in the United States.
Yellowstone National Park, Wyoming

Isa Lake

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.