Four Hand-Dug Underground Places You Can Walk Into
Four places cut by hand into soft rock and open to visitors: Derinkuyu, the Longyou Caves, the Ħal Saflieni Hypogeum, and the Forestiere Underground Gardens, with what each visit involves.
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Clear filterFour places cut by hand into soft rock and open to visitors: Derinkuyu, the Longyou Caves, the Ħal Saflieni Hypogeum, and the Forestiere Underground Gardens, with what each visit involves.
Six Krampus events around Salzburg and the Salzkammergut for the 2026 season, with dates, scale, and who each one suits, plus what the bells, masks, and birch rods mean and where to stand.
Six subway stations that closed or never opened but still sit on working lines, from Buenos Aires's walled-off Pasco Sur to Madrid's Chamberí, which reopened as a museum.
Five Northern California mysteries: a gated redwood camp, a decaying bohemian colony, the heart of Bigfoot country, a volcano said to hide a city, and the mountain road where five men abandoned their car in 1978.

Four stops across the center of Mexico City, spanning a temple buried in the 1440s to a shrine set on a sidewalk in 2001. All four are still in use, and most of the route is walkable in a morning.

Ten American places where documented history and local legend meet. From Roswell to Point Pleasant, here is a curated bucket list for travelers drawn to the unexplained.

Area 51 draws travelers to a remote stretch of Nevada desert, where the base itself is out of sight from every public road. Here is what you can see, and how to get there safely.
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