A single tree's 2,800 aerial roots give the appearance of a complete forest.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Centuries-old bridges grown from tangled roots.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Complex aquaponics systems allow fish and plants to grow in harmony.

One extremely determined man's homemade universe.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

Homemade outdoor church and sculpture garden decorated with glass shards.

One of Frank Lloyd Wright's final works was this UFO church.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This pebble beach is so beautiful that taking its rocks is against the law.

This cave holds a surprisingly colorful variety of geological oddities.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A hidden beach at the end of a tunnel of mangrove trees.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Former villa and estate of James Deering developed to preserve native tropical forests.

This beautiful Miami garden was designed as a laboratory for tropical plants.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

An underwater city for the dead.

Hidden in the highlands of Guatemala, a small shrine venerates a forbidden folk saint.

It's not quite as old as its Roman appearance suggests, but this piece of infrastructure served Guatemala City for centuries.