This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Learn the fine art of making a centuries-old treat at this hands-on food museum.

One of the largest amphitheaters in Europe is a former Nazi gathering place that still stands today.

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

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

Enormous sandstone towers loom within a Czech forest.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Though it may look like a businessman's lost luggage, this case suspended under a highway bridge is actually a contemporary art installation.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

The unique location where the former president was rapidly sworn in.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

The 28-foot granite map plots the locations of 40 theaters in New York City.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.