The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An artsy hidden staircase leads to breathtaking views of San Francisco.

This sculpture forces visitors to confront their relationship with space.

A wall of chewing gum moonlights as collective art.

Couple's personal collection of pinball machines turned public pinball museum.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A museum dedicated to the history and exploration of both popular music and science fiction.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The location of this historic castle was inspired by a donkey.

This early version of the guillotine was used to execute the man responsible for its construction.

The most loyal of little dogs, or a Victorian era publicity stunt?