Places Powerhaus93 Wants to Go

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

America's most famous piece of self-built architecture.

Hike up to this abandoned hotel for one of the best panoramic views of the island of Gozo.

This crumbling folly looks like an enchanted left over from Middle Earth.

The site of one of the largest non-nuclear explosions in history, created when a massive bomb dump accidentally exploded.

This 2,000-year-old tree inspired the nursery rhyme "Rock-a-bye Baby."

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

This unusual rock formation looks like an apple that has been neatly sliced in half.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

These temples are among the oldest free-standing stone buildings in the world.

In 1888, a resident of Xagħra, Malta, discovered a small underground chamber filled with stalactites and stalagmites when digging a well.

This ancient walled garden turns fog into food.

This megalithic tomb was crafted by a mysterious civilization that settled the island of Pantelleria.

These lesser-known Maltese catacombs date back over 1,700 years.

These purpose-built WWII air raid shelters, which run half a kilometer under the town of Mellieħa, are among the longest in Malta.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

Colorful collection of antique musical oddities.

A collection of railroad cars filled with skeletons, model planets and curiosities collected over decades.

A fossilized pie discovered during renovations of a traditional English pub is now on display.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A small cave network was discovered under a home in Xagħra, in 1924 when the owner was digging a well.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.