Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Try the frozen treat that inspired Arrested Development's famous banana stand.

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

A small piece of the composer's New York home lives on in the center of Czech culture in Manhattan.

The place where Dvořák composed some of his most famous works.

The first museum in the United States dedicated entirely to posters.

A no-frills cinephile haven known for showing offbeat, underseen films.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

New York's oldest magic store.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Journey through the ruins of this ancient Roman temple dedicated to the god of war.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

France's national museum of scientific and industrial instruments.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

The vast, legendary catacombs hold secrets much stranger than stacked bones.