A market built atop boats is one of the few floating holiday markets in Europe.

An out-of-place grove of sequoias thrives in northern Spain.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Some of the Old West's most notorious outlaws frequented this mining town.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

An ancient Incan convent on Lake Titicaca's Island of the Moon.

The southernmost outpost of the Russian Empire in colonial America.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A semi-abandoned replica of Prince Edward Island's Avonlea—in Japan.

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

Thousand-year-old trees tower within one of the world's only inland temperate rainforests.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A quick and simple solution to Cambodia's train woes.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This unique temple complex remains off the typical tourist trail.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

This abandoned fishing settlement may well be the greenest village in the world.

These abandoned vessels are destined to be reclaimed by the forest.

An abandoned desert hamlet swallowed up by sand.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.