Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Eighteen miniature death-scene dioramas.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Walk through the history of American pop culture.

Remnants of a storybook amusement park hidden behind a strip mall.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

This one-room cabin where the young colonel slept during the French and Indian War.

Once America's tallest structure, now a Baltimore landmark.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A recently abandoned psych ward at the end of Sanatorium Road.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

This recreation of a 19th-century dime museum is full of oddities.