Places Opinicus Wants to Go

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

Six beautiful wooden giants are hidden around Copenhagen.

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

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Built by the patriotic residents of Boonsboro in a single day.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

The final resting place of the first American-born professional magician.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

One of the last free public hot springs is decorated with hippie art.

Large Massachusetts museum dedicated to Armenian history and culture.

A collection of full-size movie monsters opened to the public.

America's "second most important bell" is a contentious spoil of the Civil War.