At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

A downtown park built on top of unclaimed graves.

This Chinese-style quartz sundial was saved in its final hour.

One of Ireland's most infamous prisons for rebels including men, women and children.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

The stunning interior of this Gothic church is covered in ornate gold details.

This cemetery features modernist statues as strange as its name.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

2300-year-old Roman road connecting the empire.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A little sculpture with a large wardrobe.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.