Places Jochen Duckeck Wants to Go

A house carved into a rock in the 1940s.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A reproduction of earth's many biomes.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

This underground oasis is one of North America’s most fascinating prehistoric places—and you can scuba dive in it.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

This geothermal hot spring hides beneath a slowly growing mineral dome.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The world's longest known cave system.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Take a drunken tour inside the world's largest known geode.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

This frequently-photographed waterfall takes only a short hike to visit.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.