This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

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

A fantastical bed and breakfast with magically unique rooms.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

Half of a house.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

This combination shop and museum is filled with curious items and artifacts.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

For the last eight decades, this curious shop has been ridding Atlanta of bad juju.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

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

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A medical facility that has been kept frozen in time.

One of the largest collections of merchandise from the famous British sci-fi show can be found smack in the middle of Indiana.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Italian director Pier Paolo Pasolini fell in love with this lonely 13th-century tower while making his most famous film.

Locals say the water level in this 1,200-year-old tank never goes down.

When construction began on this hotel, developers were surprised to find the ruins of an ancient civilization.

Once considered one of the country's finest motte and bailey castles.