This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

A regular looking rock with an unbelievable history.

Of five volcanoes located in the massive Tengger caldera, this cone is the youngest and most active.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This Dalecarlian horse is about the size of a pinhead.

An unusual snaking bank of boulders caused by longshore drift.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

A 250 million-year-old rock formation has earned a rather unique nickname.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

The Bong-area park police have asked visitors to please, stop stealing the signs.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

This pagoda was once the central feature of a Buddhist temple that no longer exists.

There's an exclusive Beefeaters pub hidden in the Tower of London.

A Spanish town built into the cliffs.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

This Roman arena once played host to bloody gladiatorial battles.

This 1930s log cabin began as a taxidermy museum but is now a popular country music venue.

This one-time health resort was used by aristocrats around the world.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.