An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This beloved marketplace mascot poops money and grants good luck.

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

A serene plaza that commemorates one of the Granite State's most iconic figures.

Even Henry David Thoreau found this glacial pothole irresistible.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

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

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A carousel trades in its classic horses and calliope for endangered species, native flora and fauna, and a modern soundtrack.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Years of neglect and nature took a toll on this 19th-century lighthouse.

La Cara del Indio honors the Taíno chief who fought bravely against the Spanish invasion of Puerto Rico.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

The "I-4 Eyesore" is one man's dream that has stood incomplete for over 20 years

Come for the mofongo, stay for the Puerto Rican house party.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

A mega theme park-wax museum mélange containing all things biblical.

Every Sunday for the last 30 years, this Buddhist temple has hosted a market with food and Thai goods.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.