Places Cowshow Wants to Go

Two elaborately decorated "catacomb saints" are displayed on either side of the altar in a small church in Germany.

This former burial ground, built atop discarded ballast from cargo ships, is now a public park.

This 39-foot-tall version of a Hopi figure stands in Arizona.

Home to the world's largest collection of nutcrackers.

Home to artworks so small you need a microscope to see them.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

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

A book bound in the skin of an infamous criminal, along with countless other specimens.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

Preserved portions of Athens's ancient defenses are on display in a subterranean parking garage.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.

Underground attraction offering tours of the foundational ruins of a church nave that collapsed in 1674.

Underneath the Serapeum ruins lies a dark passage with nooks for books, the lesser-known “sister” to the famous ancient library.

An underground museum of monks, bones, and medieval ruins.

Remains of a massive World War II blimp base, now home to a railroad museum.

An unexpected treasure trove of military oddities, Turkish interior design, and North Korean art.

Visitors can still take a train to this former train station turned museum.

This Art-Deco-styled, former indoor public bath is now a museum.

Step back in time and witness the fall of Constantinople.

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

The door of St. Lawrence’s Church features small scars from a battle that took place nearly 400 years ago.