12 Attractions From Breath-Taking Heights

We circle the globe to find the most terrifying attractions with the best views, including the Glacier Skywalk in Alberta, Canada.

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Face your fear of heights! Visit these glass structures and glass-bottom attractions --including the Grand Canyon Skywalk, Tokyo's SkyTree and the Ledge in Chicago -- that provide jaw-dropping views with a euphoric adrenaline rush.

The Ledge, Skydeck Chicago (Chicago)

The Ledge, Skydeck, Willis Tower, Chicago, Illinois

The Ledge, Skydeck, Willis Tower, Chicago, Illinois

Photo by: Tim Boyle/Bloomberg/Getty Images

Tim Boyle/Bloomberg/Getty Images

Get a heart-pounding view of Chicago from 1,353 feet in the air. Fearless tourists can step into the Ledge's glass boxes, which extend 4.3 feet from the Skydeck, which is at the top of the Willis Tower.

CN Tower (Toronto)

CN Tower, glass floor, Toronto, Canada

CN Tower, glass floor, Toronto, Canada

Photo by: Michael Stuparyk/Toronto Star/Getty Images

Michael Stuparyk/Toronto Star/Getty Images

There are multiple ways to see Toronto from the top of the CN Tower. Tourists can stand on the 2 1/2-inch-thick Glass Floor and look 1,122 feet down; walk around the SkyPod observation deck; dine at the 360 Restaurant with an amazing view of the city's skyline; or, if they dare, try EdgeWalk, a hands-free walk around the ledge of the tower's main pod.

Tilt, 360 Chicago (Chicago)

John Hancock Observatory, Tilt, Chicago, Illinois

John Hancock Observatory, Tilt, Chicago, Illinois

Photo by: Phil Velasquez/Chicago Tribune/Getty Images

Phil Velasquez/Chicago Tribune/Getty Images

Hold on for your life! Tilt, located on the 94th floor of the John Hancock Center, literally tilts riders at a 30-degree angle for a jaw-dropping view of Chicago's Magnificent Mile from 1,030 feet above street level.

Step Into the Void (Chamonix, France)

Step Into The Void, Skywalk, Chamonix, France

Step Into The Void, Skywalk, Chamonix, France

Photo by: Jean-Pierre Clatot/AFP/Getty Images

Jean-Pierre Clatot/AFP/Getty Images

Put on a pair of slippers and step into the Aiguille du Midi Skywalk, aka Step Into the Void, on a mountain peak about 3,400 feet above Chamonix, France. Face your fear of heights, enter the glass box, and get a panoramic view of snowcapped mountains in the French Alps.

Brighton i360 (Brighton, England)

Brighton i360, tower, UK

Brighton i360, tower, UK

Photo by: Brighton i360

Brighton i360

The architects who designed the London Eye will also design this stunning new glass attraction in Brighton, scheduled to open in 2016. Already touted as "the world's tallest moving observation tower," Brighton i360's vertical cable car will have a glass floor, and patrons can expect to get an eyeful of Sussex’s coast (Bexhill-on-Sea to Chichester) from 450 feet up.

Grand Canyon Skywalk (Grand Canyon West, AZ)

Skywalk, Grand Canyon, Arizona

Skywalk, Grand Canyon, Arizona

Photo by: Radius Images/Getty Images

Radius Images/Getty Images

Looking for a spectacular view of the awe-inspiring Grand Canyon? Hop on the Grand Canyon Skywalk, a glass bridge perched 4,000 feet above the Colorado River.

Glacier Skywalk (Jasper National Park, Alberta)

Glacier Skywalk, Brewster, Canada

Glacier Skywalk, Brewster, Canada

Photo by: Brewster Travel Media

Brewster Travel Media

Experience the grandeur of the Canadian Rockies with breathtaking views from the Glacier Skywalk. From 918 feet high, tourists can see glaciers, rushing waterfalls and the valleys carved out by ice thousands of years ago.

Sky Tower (Auckland)

Sky Tower, Auckland, New Zealand

Sky Tower, Auckland, New Zealand

Photo by: SKYCITY Entertainment Group Limited

SKYCITY Entertainment Group Limited

It doesn't have a glass-floor observation deck, but Auckland's Sky Tower is worth a trip if you're visiting New Zealand. Tourists and locals can dine in Orbit 360 — a rotating restaurant — and will have the option to view the city from the Sky Deck in October 2015. Try base jumping off the side of the tower if you're a real adrenaline junkie.

Ostankino Tower (Moscow, Russia)

Ostankino Tower, Moscow, Russia

Ostankino Tower, Moscow, Russia

Photo by: Elf911/iStock/Getty Images

Elf911/iStock/Getty Images

The Ostankino Tower is the tallest freestanding structure in Europe, which makes it the perfect place to get awesome views of Moscow. Over 10 million people from more than 100 countries have visited the TV tower to stand on its 360-degree observation deck.

The Edge, Eureka Skydeck (Melbourne, Australia)

The Edge, Eureka Skydeck, Melbourne, Australia

The Edge, Eureka Skydeck, Melbourne, Australia

Photo by: Eureka Skydeck

Eureka Skydeck

Feeling adventurous? Step out onto the Edge, a glass cube that extends from the Eureka Tower's 88th floor.  

Spinnaker Tower (Portsmouth, England)

Spinnaker Tower, glass floor, Hampshire, UK

Spinnaker Tower, glass floor, Hampshire, UK

Photo by: Melanie Stetson Freeman/The Christian Science Monitor/Getty Images

Melanie Stetson Freeman/The Christian Science Monitor/Getty Images

Spinnaker Tower has 3 observation decks: View Deck 1 at 328 feet, View Deck 2 at 344 feet, and the Sky Deck at 360 feet. Be brave and walk across the glass floor of Deck 2's Sky Walk for a unique perspective of the harbor.

Tokyo SkyTree (Tokyo)

Tokyo Sky Tree, Japan

Tokyo Sky Tree, Japan

Photo by: Moment/Getty Images

Moment/Getty Images

The Tokyo SkyTree, the second-tallest structure in the world after Burj Khalifa, is a broadcasting tower that includes shops, a restaurant and 2 observation decks, giving visitors views from 1,148 feet and 1,476 feet above the city.

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