Unusual adventures and hidden discoveries. Explore our 2018 trips now »
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Penn's Cave Exit
Spring Mills, Pennsylvania

Penn's Cave

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.
40.8826, -77.6123
Dublin, Ireland

The Long Room Library at Trinity College

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.
53.3440, -6.2567
The Mad Colored Houses of Burano
Venice, Italy

The Mad Colored Houses of Burano

The community on a small Venetian island has taken to painting their houses in bright neon hues.
45.4855, 12.4172
Monterey's Moon Tree
Monterey, California

Monterey's Moon Tree

A tree grown from astronaut seeds which were exposed to cosmic rays.
36.5979, -121.8969
The cells featured escape-proof windows.
Monterey, California

Old Monterey Jail

This remarkably simple jail went over a century without an escape.
36.5976, -121.8973
Pacific Grove, California

Monarch Grove Sanctuary

Every year, over 25,000 monarchs overwinter in Pacific Grove.
36.6264, -121.9302
Pacific Grove, California

Kissing Rock

Two rocks in a perpetual kiss and one of "the most romantic spot in America."
36.6344, -121.9246
Pappy and Harriet's Pioneertown Palace
Pioneertown, California

Pappy and Harriet's Pioneertown Palace

Weary travelers trekking through Joshua Tree have a music-filled, booze-soaked oasis to land before continuing through the desert.
34.1566, -116.4931
(Audium press photo)
San Francisco, California

Audium-Theatre of Sound-Sculptured Space

Only theater in the world constructed specifically for sound movement.
37.7883, -122.4239
Blue Lagoon
Grindavík, Iceland

Blue Lagoon

Medicinal spa created with the discharge from a geothermal energy plant.
63.8801, -22.4494
Hallgrimskirkja
Reykjavik, Iceland

Hallgrimskirkja

The tallest building in Iceland, and certainly one of the most visually impressive.
64.1417, -21.9266
Termas Geometricas
Panguipulli, Chile

Termas Geometricas

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.
-39.5009, -71.8744
La Chascona
Providencia, Chile

La Chascona

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.
-33.4311, -70.6345
(Flickr/fidelramos)
Amsterdam, Netherlands

Oude Kerk

Amsterdam's oldest church, and the center of Dutch prostitution.
52.3744, 4.8980
KattenKabinet
Amsterdam, Netherlands

KattenKabinet

Cat art as far as the eye can see.
52.3656, 4.8916
Speciality shop in scientific and pharmaceutical objects.
Amsterdam, Netherlands

Nieuwe Spiegelstraat

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.
52.3634, 4.8887
Gravestone at Trinity Churchyard.
New York, New York

Trinity Churchyard

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.
40.7083, -74.0128
Irish Hunger Memorial.
New York, New York

Irish Hunger Memorial

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.
40.7145, -74.0155
America's Most Wanted studio
Washington, D.C.

National Museum of Crime and Punishment

America's Most Wanted's set resides in this tribute to the history of crime and punishment.
38.8967, -77.0217
Detail of the Tiffany-designed elevators. Economical cast iron, not bronze!
New York, New York

The Woolworth Building

Once the tallest building in the world and the site of "the highest dinner ever held in New York" holds the most expensive penthouse in the city.
40.7125, -74.0083
Beinecke Rare Book and Manuscript Library
New Haven, Connecticut

Beinecke Rare Book and Manuscript Library

Yale University's home for rare works, including the mysterious Voynich Manuscript.
41.3115, -72.9271
Front page of the New York Times.
Brooklyn, New York

Park Slope Plane Crash

One of the deadliest American air disasters is nearly forgotten in Brooklyn.
40.6771, -73.9737
Robert the Doll
Key West, Florida

Robert the Doll

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.
24.5529, -81.7549
New York, New York

Wall Street Bombing Scars

Unrepaired walls from a 1920 anarchist bomb attack.
40.7068, -74.0109