Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A medieval weapon rumored to have been used by the brilliant poet himself.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Centuries ago, red and white wine poured from the statue's breasts whenever a new Venetian ruler was elected.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

A young Italian couple has been locked in an embrace for over 6,000 years.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.