Places peelacres Wants to Go

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Tiny communists hammer away on the Olomouc Astronomical Clock.

Two distorted Romanesque columns hold aloft a mine cart in honor of laborers who died during WWII.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

The second tallest railway trestle bridge in America.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The unusual private collection of modern-day renaissance man George Musgrave.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

An arresting arch punched straight through a mountain provides one of the most scenic spots, and challenging climbs, on the planet.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

An abandoned stretch of highway, deteriorating next to the operational one.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

One of only two commuter aerial tramways in the United States.

The largest underground church in Europe.

A steam powered train that runs on city streets.

Ruins of a German castle on top of a towering stone pillar.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

This "floating railway" is one of the world's oldest monorail systems.