For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A building so large that it has its own weather.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A psychological self-portrait in the form of a giant, segmented head.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

Alexander Hamilton’s creation caused quite a bit of controversy.

A daily replay of the experiment that proved the rotation of the Earth.

This elaborate towering structure was once famed for its revolutionary height.

World's first "penitentiary," meant to be humane, drove men insane.

In the main dining room, a nine-ton boulder caps the fireplace designed by local architect Earl Young.

There's more contention than one might expect from cherry pie pans.

Every winter, water dripping from a pole creates an ever-changing ice sculpture.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

The world's largest frame offers spectacular views of the city's past and present.

The world’s largest LED display, built over an F1 race circuit.

Whitewashed mosque contains the world's largest carpet.

This indoor ski resort has a mountain contained inside a mall.