An enormous, inside-out glass globe built in 1935.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

These whimsical works of art tell the story of the city's past and present.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

A mysterious stone embedded at the base of a historic Boston building.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Visible below the waves are memorials to the city's Gold Rush dead.

The oldest lawn bowling club in the United States.

With the touch of a button, you can read a randomly selected short story.

Early prototype for Frank Lloyd Wright's Guggenheim.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

The first piece of public art dedicated to LGBT rights.

An artist's cute bronze subway sculptures belie his violent artistic past.

A museum of space exploration in the UFO capital of Japan.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

According to local history, this cast-iron canine was nearly melted down for bullets during the Civil War.

This four-story steel sphere in Maryland was used to test biological weapons.

Eighteen miniature death-scene dioramas.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Unique collection containing a wide and curious range of contraceptive items.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.