This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The topiary maze at the Habsburg hunting lodge.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The final resting place for the remains of 143 Habsburg royalty.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The beautiful baroque library of the Hapsburg empire.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This stately clubhouse has showcased German-American culture for over a century.

This Indiana walk of fame honors music legends with record-shaped plaques in the pavement.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The largest historic preservation organization in the United States.

The lynching and burial site of America's first train robbers.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

Colorful collection of antique musical oddities.

Display that gathers the basic elements of the universe in one convenient location.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

This candy shop has been serving up sweets to the Louisville area since the 1850s.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.