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Grand Prismatic Spring
Yellowstone National Park, Wyoming

Grand Prismatic Spring

The largest hot spring in the US is, as the name suggests, a stunning show of natural color.
44.5251, -110.8390
Echo Amphitheatre
Tierra Amarilla, New Mexico

Echo Amphitheater

Natural sonic phenomenon comes with a grisly legend of murder and blood.
36.6163, -106.7235
Casino interior
Asbury, New Jersey

Asbury Park Casino and Carousel House

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.
40.2177, -74.0011
Blackbeard's Castle
Charlotte Amalie, U.S. Virgin Islands

Blackbeard's Castle

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.
18.3438, -64.9297
The descent of the snake god
Chichen Itza, Mexico

Pyramid of Kukulcan at Chich'en Itza

Every equinox this Mayan pyramid puts on a spooky ancient light show.
20.6816, -88.5677
One of the "love trees."
St. Augustine, Florida

The Love Trees of St. Augustine

Intertwined, interspecies trees which locals believe can grant boons to lovers.
29.8898, -81.3113
Yellowstone National Park, Wyoming

Morning Glory Pool

A beautiful geyser under enviromental threat.
44.4750, -110.8436
Tourists flock to the buoy (Flickr/Turtle43)
Key West, Florida

Southernmost Point of the Continental U.S.

A monument celebrating the idea of reaching inaccessible places.
24.5465, -81.7975
Inside the Valdez Museum & Historical Archive in Valdez, Alaska. (Press Photo)
Valdez, Alaska

Valdez Museum & Historical Archive

Permanent exhibit reminds visitors of the Exxon Valdez.
61.1294, -146.3546
Kilt Rock
Isle of Skye, Scotland

Kilt Rock and Mealt Falls

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.
57.6106, -6.1724
Edinburgh, Scotland

Greyfriars Bobby

The most loyal of little dogs, or a Victorian era publicity stunt?
55.9471, -3.1928
The Palm house
Edinburgh, Scotland

The Royal Botanic Gardens of Edinburgh

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.
55.9652, -3.2091
Glasgow, Scotland

The Glasgow Necropolis

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."
55.8627, -4.2335
Specimens
Glasgow, United Kingdom

Glasgow Hunterian Museum

200 year old collection of oddities and medical paraphernalia.
55.8717, -4.2880
Oyster bar
New York, New York

Grand Central Terminal Whispering Gallery

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.
40.7527, -73.9772
New York, New York

Times Square Hum

A pedestrian island in the middle of world-famous Times Square emits a strange, and purposeful, humming noise.
40.7585, -73.9853
Jemez Springs, New Mexico

Kasha-Katuwe Tent Rocks National Monument

A unique geological area spiked with wind-carved rocks that resemble teepees.
35.6567, -106.4111
Santa Fe, New Mexico

Loretto Chapel

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.
35.6858, -105.9377
The Stathatos Mansion houses the temporary exhibits of the Museum of Cycladic Art. (Wikimedia Commons)
Athens, Greece

Goulandris Museum of Cycladic Art

Large collection from the 3rd millennium BCE.
37.9739, 23.7417
The Antikythera mechanism.
Athens, Greece

Antikythera Mechanism

2000-year-old computer demonstrates remarkable engineering and astronomical precision.
37.9892, 23.7325
Ancient Agora, Athens
Athens, Greece

The Athenian Agora

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.
37.9758, 23.7247
Athens, Greece

Syntagma Square Metro Station

Where commuters walk through remnants of an ancient Greek necropolis.
37.9757, 23.7340
Mycenae
Argolis, Greece

Mycenae

This legendary city has been a tourist attraction for centuries.
37.7309, 22.7561