An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

Famous for its bio-luminescent inhabitants, known as "dismalites."

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

An arresting temple full of mosaics as colorful as the politician they memorialize.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

A vast array of tropical plants collected by a vacationing couple.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

One of only two pod-shaped homes designed by Frank Lloyd Wright.

The winter home of thousands of beautiful snow geese and sandhill cranes.