The monumental steeple on Amherst College's campus has no church attached to it.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over 50 whirling pools left behind from the glacial age.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

Giant topiary dog once played a role in a terrorist bomb plot.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

For more than half a millennia, this automaton has rung an hourly bell.

This Roman arena once played host to bloody gladiatorial battles.

Historic medieval fortified city in southwest France.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

This former cathedral is now a bustling library packed with students and pigeons.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

Classical ruins that remember ancient Rome's presence in Africa.

The unique building practices of the Batammariba reflect the community's deep reverence for and connection to the earth.

Where thousands of slaves passed through the "Door of No Return."

The Voodoo Superstore of the world.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

A monument to the more than one million enslaved Africans deported from the port of Ouidah.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.