This church in Pittsburgh is home to the largest collection of religious relics in North America.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A medieval house with mysterious alchemical inscriptions on its facade

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

This mysterious medieval grotto holds a grid of sacred wells of unknown purpose.

This hidden 13th-century tavern room has a few Shakespearean connections.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A 200-year-old bar is all that remains of one Mississippi River town's rough-and-tumble past.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

Get fishing gear and craft beer at this restaurant on the pier.

When struck, the strange stones in this park ring like bells.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.