Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A Jenga-style cylindrical tower of books that appears to go on forever.

This doorless 20th-century elevator doesn't stop or slow down.

Macabre astrological automaton clock dating to the late 1400s.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A surreal statue honoring Prague's favorite literary son.

Looming communist pillar with a Czech twist.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Dedicated to the works of the legendary special effects artist.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

An ode to iconic Nashville locations.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

One Confederate statue that accurately reflects the ugliness of its subject.

For decades these polar bears have roamed all around a Nashville neighborhood.

Victorian-era Egyptomania left its mark on this Nashville landmark.

The site of the one of the most deadly train wrecks in American history.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

This award-winning men's bathroom was just too beautiful to not allow women to see.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.