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Leaderboard Highlights
poissonperdu's activity rankings
1st
Places visited in Kairouan, Tunisia
2nd
Places visited in Upper Darby, Pennsylvania
3rd
Places visited in Wilmington, Delaware
4th
Places visited in Reims, France
5th
Places added to Morocco
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Built in Philadelphia in 1808 by the Spark family.
Philadelphia, Pennsylvania

Sparks Shot Tower

One of the oldest of its kind.
39.9347, -75.1461
The mosque viewed from below.
Al Haouz, Morocco

Almohad Mosque of Tin Mal

Remains of a medieval fortress that once was the capital of a vast empire.
30.9848, -8.2284
Merzouga, Morocco

Erg Chebbi

God's Saharan sandbox of wrath.
31.0992, -4.0117
Palermo, Italy

Capuchin Monastery Catacombs

Catacombs with thousands of well-dressed mummies.
38.1119, 13.3392
The Blue Gate
Fez, Morocco

The Blue Gate of Fes

The other side is actually green.
34.0617, -4.9839
Fès-  Fès-el-Bâli medina
Fez, Morocco

Fes el-Bali

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.
34.0619, -4.9778
Aghlabid Basins
Kairouan, Tunisia

Aghlabid Basins

This grand hydraulic installation has provided water for townspeople since the Middle Ages.
35.6864, 10.0955
The cave from the front.
Philadelphia, Pennsylvania

Cave of Kelpius

Where America's first doomsday cult awaited the end of the world.
40.0238, -75.2016
Mosque panorama
Kairouan, Tunisia

Great Mosque of Kairouan

Founded in 670, this ancient mosque is an architectural time portal.
35.6814, 10.1039
Head Harbour Lightstation, at the northern tip of Campobello Island
Welshpool, Canada

Campobello Island

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.
44.8771, -66.9552
The original Bicentennial Moon Tree - it died and was cut down in 2011
Philadelphia, Pennsylvania

Philadelphia's Moon Tree

A clone-tree grows in Washington Square Park sprung from seeds that went to the Moon and back.
39.9476, -75.1518
The last Passenger Pigeon Martha as a mounted specimen
Washington, D.C.

Martha, the Last Passenger Pigeon

The last known passenger pigeon, Martha's remains serve as a tool to educate about conservation.
38.8912, -77.0260
The Brewmaster's Castle
Washington, D.C.

The Brewmaster's Castle

This grand gothic brewery has been pumping out suds for over a hundred years.
38.9081, -77.0445
The Rosslyn Metro escalator. (Steven Cohen/Atlas Obscura)
Arlington, Virginia

Rosslyn Metro Escalator

At 207 feet, one of the world's longest continuous escalators.
38.8959, -77.0715
The former columns of the U.S. Capitol date from 1829.
Washington, D.C.

National Capitol Columns

The United States Capitol's former columns still stand.
38.9104, -76.9676
The entire ceiling
Rome, Italy

The Dome Illusion

A master of trompe-l'oeil creates a stunning tourist-fooling dome out of a flat ceiling.
41.8990, 12.4798
Château d'If
Marseille, France

Château d'If

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.
43.2799, 5.3251
Cave of Lascaux; Prof Saxx/Photographer
Montignac, France

Cave of Lascaux

Ancient paintings known as the "Sistine Chapel of Cave Art."
45.0542, 1.1670
Aristes, Pennsylvania

Centralia

A toxic ghost town sitting atop a massive coal fire.
40.8042, -76.3409
Hopewell Rocks - "Flower Pots"
Hopewell Cape, Canada

Hopewell Rocks

Iconic rock formations that allow for exploration during high or low tide.
45.8262, -64.5737
The coast of Prince Edward Island around Cavendish
Breadalbane, Canada

Red Sands of Prince Edward Island

Rusty red sands line the shores of this Canadian Province.
46.3455, -63.4488
Spruce Knob Observation Tower
Riverton, West Virginia

Spruce Knob

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia at 4,683 feet above sea level.
38.6998, -79.5328
Johns Island, South Carolina

The Angel Oak Tree

The Southeast's oldest living organism.
32.7155, -80.0850
(Flickr/samgrover)
Portland, Oregon

Portlandia

Portlandia is the second-largest copper repoussé statue in the United States.
45.5156, -122.6792