These items are all that remain from the room used by the author during his second tour of the U.S.

This statue intended for children to enjoy became a minor political spat.

Eight whimsical acres of metal art.

Herman Melville wrote 'Moby Dick' in this landmark 18th-century house surrounded by farmland.

The former residence of Elizabeth “Mumbet” Freeman, an enslaved African-American woman who successfully sued for her freedom.

Take a step inside the picturesque studio of America’s most renowned sculptor.

The site of the first "historically true" UFO encounter in the U.S.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

Don't be surprised if you see a long-necked dinosaur peeking out from among the trees in Northgate Park.

Wander through more than 20,000 square feet filled with an amazing collection of orchids.

This woodland architectural installation acts as a camera obscura for the heavens.

One of the best collections of antique printing machinery in the world.

This only museum in the world dedicated solely to mushrooms.

This legendary dessert was served to Nobel laureates for decades.

The final resting place of the man whose name has become synonymous with greatness.

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The hot chocolate here all stems from small, sustainable microproducers in Chiapas and Tabasco.

This warehouse-gallery-shop hybrid showcases Mexican craftwork at its best.

66,000 pieces of art, donated by one of the world's richest men.

One doctor's retirement plan included opening this award-winning Mexican-Indian eatery on the ground floor of a hospital.